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mathematics
calculus early transcendentals
Calculus Early Transcendentals 2nd edition William L. Briggs, Lyle Cochran, Bernard Gillett - Solutions
Sketch a graph of the following polynomials. Identify local extrema, inflection points, and x- and y-intercepts when they exist.f(x) = 27(x - 2)2(x + 2)
Determine whether Rolle’s Theorem applies to the following functions on the given interval. If so, find the point(s) that are guaranteed to exist by Rolle’s Theorem.h(x) = e-x2; [-a, a], where a > 0
a. A rectangular pen is built with one side against a barn. Two hundred meters of fencing are used for the other three sides of the pen. What dimensions maximize the area of the pen?b. A rancher plans to make four identical and adjacent rectangular pens against a barn, each with an area of 100 m2
Determine whether the following statements are true and give an explanation or counterexample.a. If f'(x) > 0 and f"(x) < 0 on an interval, then f is increasing at a decreasing rate on the interval.b. If f'(c) > 0 and f"(c) = 0, then f has a local maximum at c.c. Two functions that differ
The equation |y/a|n + |x/a|n = 1, where n and a are positive real numbers, defines the family of Lamé curves. Make a complete graph of this function with a = 1, for n = 2/3 , 1, 2, 3. Describe the progression that you observe as n increases.
Given the following velocity functions of an object moving along a line, find the position function with the given initial position. Then graph both the velocity and position functions.v(t) = 2t + 4; s(0) = 0
Evaluate one of the limits l’Hôpital used in his own textbook in about 1700:where a is a real number. V2a°x – x* – aVa²x - x4 aVa?x lim Vax ах х—а
Find the function with the following properties.g'(t) = t2 + t-2 and g(1) = 1
Consider the following graphs of f' and f". On the same set of axes, sketch the graph of a possible function f. The graphs of f are not unique.
Find the coordinates of four local maxima of the function andgraph the function, for 0 ≤ x ≤ 10. f(x) 1 + x° sin? x
Given the following velocity functions of an object moving along a line, find the position function with the given initial position. Then graph both the velocity and position functions.v(t) = e-2t + 4; s(0) = 2
Use analytical methods to evaluate the following limits. '5х + 2 — 2 lim 1/х — 1/6 х36
Find the function with the following properties.h'(x) = sin2 x and h(1) = 1 sin2 x = (1 - cos 2x)/2.)
Consider the following graphs of f' and f". On the same set of axes, sketch the graph of a possible function f. The graphs of f are not unique.
Let f(x) = (a - x)x, where a > 0. a. What is the domain of f (in terms of a)?b. Describe the end behavior of f (near the boundary of its domain).c. Compute f'. Then graph f and f' for a = 0.5, 1, 2, and 3.d. Show that f has a single local maximum at the point z that satisfies z = (a - z) ln
Given the following velocity functions of an object moving along a line, find the position function with the given initial position. Then graph both the velocity and position functions.v(t) = 2√t; s(0) = 1
Determine whether the following properties can be satisfied by a function that is continuous on (-∞, ∞). If such a function is possible, provide an example or a sketch of the function. If such a function is not possible, explain why.a. A function f is concave down and positive everywhere.b. A
Consider positive real numbers x and y. Notice that 43 < 34, while 32 > 23 and 42 = 24. Describe the regions in the first quadrant of the xy-plane in which xy > yx and xy < yx.
Prove Theorem 4.2 for a local maximum: If f has a local maximum value at the point c and f'(c) exists, then f'(c) = 0. Use the following steps.a. Suppose f has a local maximum at c. What is the sign of f(x) - f(c) if x is near c and x > c? What is the sign of f(x) - f(c) if x is near c and x
Evaluate the following limits using l’Hôpital’s Rule 2х lim х>2 8 — 6х +x?
Find the function with the following properties.f'(t) = sin t + 2t and f(0) = 5
Evaluate the following limits in two different ways: Use the l’Hôpital’s Rule. x? + 1 2x3 – lim 5x³ + 2x .3
Graph several functions that satisfy the following differential equations. Then find and graph the particular function that satisfies the given initial condition.f'(x) = 2 cos 2x; f(0) = 1
a. Write the equation of the line that represents the linear approximation to the following functions at the given point a.b. Graph the function and the linear approximation at a.c. Use the linear approximation to estimate the given function value.d. Compute the percent error in your approximation,
The equation y2 = x3 - ax + 3, where a is a parameter, defines a well-known family of elliptic curves. a. Verify that if a = 3, the graph consists of a single curve.b. Verify that if a = 4, the graph consists of two distinct curves.c. By experimentation, determine the value of a (3 < a <
Locate the critical points of the following functions. Then use the Second Derivative Test to determine (if possible) whether they correspond to local maxima or local minima.f(x) = √x(12/7 x3 - 4x2)
Use a calculator or program to compute the first 10 iterations of Newton’s method when it is applied to the following functions with the given initial approximation. Make a table similar to that in Example 1.f(x) = tan x - 2x; x0 = 1.5
Consider the functions f(x) = x/(x2 + 1)n, where n is a positive integer.a. Show that these functions are odd for all positive integers n.b. Show that the critical points of these functions are for all positive integers n. (Start with the special cases n = 1 and n = 2.)c. Show that as n
Find all the antiderivatives of the following functions. Check your work by taking derivatives.f(x) = sin 2x
Find the function with the following properties.f'(x) = 3x2 - 1 and f(0) = 10
Evaluate the following limits in two different ways: Use the l’Hôpital’s Rule. 100x – 3 lim X- x4 – 2
Graph several functions that satisfy the following differential equations. Then find and graph the particular function that satisfies the given initial condition.f'(t) = 1/t; f(1) = 4
The following classical curves have been studied by generations of mathematicians. Use analytical methods (including implicit differentiation) and a graphing utility to graph the curves. Include as much detail as possible.x4 - x2 + y2 = 0 (Figure-8 curve)
Locate the critical points of the following functions. Then use the Second Derivative Test to determine (if possible) whether they correspond to local maxima or local minima.f(x) = 2x2 ln x - 11x2
Sketch a graph of a function that is continuous on (-∞, ∞) and has the following properties. Use a sign graph to summarize information about the function.f(0) = f(4) = f'(0) = f'(2) = f'(4) = 0; f(x) ≥ 0 on (-∞, ∞)
a. Suppose a nonconstant even function f has a local minimum at c. Does f have a local maximum or minimum at -c? Explain. (An even function satisfies f(-x) = f(x).)b. Suppose a nonconstant odd function f has a local minimum at c. Does f have a local maximum or minimum at -c? Explain. (An odd
Determine the following indefinite integrals. Vx*) dx || .3
Determine whether the following statements are true and give an explanation or counterexample.a. By l’Hôpital’s Rule,b. c. is an indeterminate form.d. The number 1 raised to any fixed power is 1. Therefore, because (1 + x) → 1 as x → 0, 1 + x)1/x →1 as x→0.e. The functions
Graph several functions that satisfy the following differential equations. Then find and graph the particular function that satisfies the given initial condition.f'(s) = 4 sec s tan s; f(π/4) = 1
The following classical curves have been studied by generations of mathematicians. Use analytical methods (including implicit differentiation) and a graphing utility to graph the curves. Include as much detail as possible.y2 = x3 (1 - x) (Pear curve)
Locate the critical points of the following functions. Then use the Second Derivative Test to determine (if possible) whether they correspond to local maxima or local minima.g(x) = x4/2 - 12x2
Consider the function f(x) = ax2 + bx + c, with a ≠ 0. Explain geometrically why f has exactly one absolute extreme value on (-∞, ∞). Find the critical point to determine the value of x at which f has an extreme value.
Determine the following indefinite integrals. 1 + tan 0 do sec 0
Use limit methods to determine which of the two given functions grows faster or state that they have comparable growth rates.ex2; xx/10
Graph several functions that satisfy the following differential equations. Then find and graph the particular function that satisfies the given initial condition.f'(x) = 3x + sin πx; f(2) = 3
The following classical curves have been studied by generations of mathematicians. Use analytical methods (including implicit differentiation) and a graphing utility to graph the curves. Include as much detail as possible.y4 - x4 - 4y2 + 5x2 = 0 (Devil’s curve)
Locate the critical points of the following functions. Then use the Second Derivative Test to determine (if possible) whether they correspond to local maxima or local minima.f(x) = x2e-x
Suppose f is differentiable on (-∞, ∞) and assume it has a local extreme value at the point x = 2, where f(2) = 0. Let g(x) = xf(x) + 1 and let h(x) = xf(x) + x + 1, for all values of x.a. Evaluate g(2), h(2), g'(2), and h'(2).b. Does either g or h have a local extreme value at x = 2? Explain.
Determine the following indefinite integrals. dx x² + 1
Use limit methods to determine which of the two given functions grows faster or state that they have comparable growth rates.ex2; e10x
Graph several functions that satisfy the following differential equations. Then find and graph the particular function that satisfies the given initial condition.f'(x) = 3x2 - 1; f(1) = 2
The following classical curves have been studied by generations of mathematicians. Use analytical methods (including implicit differentiation) and a graphing utility to graph the curves. Include as much detail as possible.(Cissoid of Diocles) y? +3
Locate the critical points of the following functions. Then use the Second Derivative Test to determine (if possible) whether they correspond to local maxima or local minima.p(x|0 = x4e-x
Two people, A and B, walk along the parabola y = x2 in such a way that the line segment L between them is always perpendicular to the line tangent to the parabola at A’s position. What are the positions of A and B when L has minimum length?a. Assume that A’s position is (a, a2), where a > 0.
Determine the following indefinite integrals. dx 1 - x² .2 Vi -
Use limit methods to determine which of the two given functions grows faster or state that they have comparable growth rates.ln √x; ln2 x
Graph several functions that satisfy the following differential equations. Then find and graph the particular function that satisfies the given initial condition.f'(x) = 2x - 5; f(0) = 4
The following classical curves have been studied by generations of mathematicians. Use analytical methods (including implicit differentiation) and a graphing utility to graph the curves. Include as much detail as possible.x3 + y3 = 3xy (Folium of Descartes)
Make a complete graph of the following functions on their domains or on the given interval. Use a graphing utility to check your work.f(x) = x4/2 - 3x2 + 4x + 1
Locate the critical points of the following functions. Then use the Second Derivative Test to determine (if possible) whether they correspond to local maxima or local minima.f(x) = 2x3 - 3x2 + 12
You must get from a point P on the straight shore of a lake to a stranded swimmer who is 50 m from a point Q on the shore that is 50 m from you (see figure). If you can swim at a speed of 2 m/s and run at a speed of 4 m/s, at what point along the shore, x meters from Q, should you stop running and
Determine the following indefinite integrals.∫12/x dx
Use limit methods to determine which of the two given functions grows faster or state that they have comparable growth rates.xx; (x/2)x
Find the solution of the following initial value problems.v'(x) = 4x1/3 + 2x-1/3; v(8) = 40
Use the following graphs to identify the points (if any) on the interval [a, b] at which the function has an absolute maximum value or an absolute minimum value. y = g(x) + +
The following classical curves have been studied by generations of mathematicians. Use analytical methods (including implicit differentiation) and a graphing utility to graph the curves. Include as much detail as possible.(Witch of Agnesi) 8. y = x + 4 .2
Locate the critical points of the following functions. Then use the Second Derivative Test to determine (if possible) whether they correspond to local maxima or local minima.f(x) = ex(x2 - 7x - 12)
Sketch a graph of the following polynomials. Identify local extrema, inflection points, and x- and y-intercepts when they exist.f(x) = (x - 6)(x + 6)2
All boxes with a square base and a volume of 50 ft3 have a surface area given by S(x) = 2x2 + 200/x, where x is the length of the sides of the base. Find the absolute minimum of the surface area function on the interval (0, ∞). What are the dimensions of the box with minimum surface area?
Determine the following indefinite integrals.∫2e2x dx
Use limit methods to determine which of the two given functions grows faster or state that they have comparable growth rates.x10 ln10 x; x11
Determine whether Rolle’s Theorem applies to the following functions on the given interval. If so, find the point(s) that are guaranteed to exist by Rolle’s Theorem.g(x) = x3 - x2 - 5x - 3; [-1, 3]
Find the solution of the following initial value problems. V2 cos³ 0 + 1 ;y cos? 0 TT y'(0) = 3
The following classical curves have been studied by generations of mathematicians. Use analytical methods (including implicit differentiation) and a graphing utility to graph the curves. Include as much detail as possible.x2/3 + y2/3 = 1 (Astroid or hypocycloid with four cusps)
Find positive numbers x and y satisfying the equation xy = 12 such that the sum 2x + y is as small as possible.
Locate the critical points of the following functions. Then use the Second Derivative Test to determine (if possible) whether they correspond to local maxima or local minima.f(x) = ex(x - 7)
Prove that eπ > πe by first finding the maximum value of f(x) = ln x/x.
Rank the functions x100, ln x10, xx, and 10x in order of increasing growth rates as x→∞?
Suppose you want to travel D miles at a constant speed of (60 + x) mi/hr, where x could be positive or negative. The time in minutes required to travel D miles is T(x) = 60D(60 + x)-1.Use the result of Exercise 9 to approximate the amount of time it takes to drive 93 miles at 63 mi/hr. What is the
Graph the following functions and determine the local and absolute extreme values on the given interval.g(x) = |x - 3| - 2|x + 1| on [-2, 3]
Determine the following indefinite integrals.∫sec 2x tan 2x dx
Use a calculator or program to compute the first 10 iterations of Newton’s method when it is applied to the following functions with the given initial approximation. Make a table similar to that in Example 1.f(x) = ex - 5; x0 = 2
Use limit methods to determine which of the two given functions grows faster or state that they have comparable growth rates.x20; 1.00001x
Find the solution of the following initial value problems.
Find all the antiderivatives of the following functions. Check your work by taking derivatives.g(x) = 11x10
Sketch a graph of a function that is continuous on (-∞, ∞) and has the following properties. Use a sign graph to summarize information about the function.f'(-1) is undefined; f'(x) > 0 on (-∞, -1); f'(x) < 0 on (-1, ∞)
Does f(x) = 2x5 - 10x4 + 20x3 + x + 1 have any inflection points? If so, identify them.
Use the following graphs to identify the points (if any) on the interval [a, b] at which the function has an absolute maximum value or an absolute minimum value. УА y = f(x) + + + х
Locate the critical points of the following functions. Then use the Second Derivative Test to determine (if possible) whether they correspond to local maxima or local minima.g(x) = x3 - 6
Graph the following functions and determine the local and absolute extreme values on the given interval.f(x) = |x - 3| + |x + 2| on [-4, 4]
Determine the following indefinite integrals.∫2 sec2 θ dθ
Sketch a graph of the following polynomials. Identify local extrema, inflection points, and x- and y-intercepts when they exist.f(x) = 2x6 - 3x4
Use limit methods to determine which of the two given functions grows faster or state that they have comparable growth rates.x2 ln x; x3
Find the solution of the following initial value problems.y(t) = 3/t + 6; y(1) = 8
Suppose a continuous function f is concave up on (-∞, ∞) and (0, ∞). Assume f has a local maximum at x = 0. What, if anything, do you know about f'(0)? Explain with an illustration.
Locate the critical points of the following functions. Then use the Second Derivative Test to determine (if possible) whether they correspond to local maxima or local minima.f(x) = 4 - x2
a. Find the critical points of the following functions on the given interval.b. Use a graphing utility to determine whether the critical points correspond to local maxima, local minima, or neither.c. Find the absolute maximum and minimum values on the given interval when they exist.h(x) = (5 -
Determine whether Rolle’s Theorem applies to the following functions on the given interval. If so, find the point(s) that are guaranteed to exist by Rolle’s Theorem.f(x) = x3 - 2x2 - 8x; [-2, 4]
Determine the following indefinite integrals.∫(1 + 3 cos θ) dθ
Find numbers x and y satisfying the equation 3x + y = 12 such that the product of x and y is as large as possible.
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