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study help
mathematics
college algebra
College Algebra 12th edition Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels - Solutions
Solve the equation. Give solutions in exact form.log x + log (13 - 3x) = 1
Solve the equation. Give solutions in exact form.ln eln x - ln (x - 4) = ln 3
Solve the equation. Give solutions in exact form.log4 [(3x + 1)(x - 4)] = 2
Solve the equation. Give solutions in exact form.log3 (x2 - 9) = 3
Solve the equation. Give solutions in exact form.log2 (x3 + 5) = 5
Solve the equation. Give solutions in exact form.ln x + ln x3 = 12
Solve the equation. Give solutions in exact form.log (2x + 7) = 0.25
Solve the equation. Give solutions in exact form.ln 5x = 16
Solve each equation. Give solutions in exact form.3 ln x = 13
Which one or more of the following choices is the solution set of 5x = 9? In 9 D. In 5 S log 9 A. {logs 9} B. {log, 5} C. log 5
Solve each equation. Unless otherwise specified, give irrational solutions as decimals correct to the nearest thousandth.4(1.06)x + 2 = 8
Solve each equation. Unless otherwise specified, give irrational solutions as decimals correct to the nearest thousandth. + 2 = 0
Solve each equation. Unless otherwise specified, give irrational solutions as decimals correct to the nearest thousandth.2e2x - 5ex - 3 = 0 (Give exact form.)
Solve each equation. Unless otherwise specified, give irrational solutions as decimals correct to the nearest thousandth.100(1.02)x/4 = 200
Solve each equation. Unless otherwise specified, give irrational solutions as decimals correct to the nearest thousandth.e6x · ex = e21
Solve each equation. Unless otherwise specified, give irrational solutions as decimals correct to the nearest thousandth.e8x · e2x = e20
Solve each equation. Unless otherwise specified, give irrational solutions as decimals correct to the nearest thousandth.6x-3 = 34x+1
Solve the equation. Unless otherwise specified, give irrational solutions as decimals correct to the nearest thousandth.5x+2 = 22x-1
Solve each equation. Unless otherwise specified, give irrational solutions as decimals correct to the nearest thousandth.10e3x-7 = 5
Solve the equation. Unless otherwise specified, give irrational solutions as decimals correct to the nearest thousandth.2e5x+2 = 8
Solve each equation. Unless otherwise specified, give irrational solutions as decimals correct to the nearest thousandth.e2-x = 12
Solve each equation. Unless otherwise specified, give irrational solutions as decimals correct to the nearest thousandth.ex-1 = 4
Solve each equation. Unless otherwise specified, give irrational solutions as decimals correct to the nearest thousandth.6x+3 = 4x
Solve each equation. Unless otherwise specified, give irrational solutions as decimals correct to the nearest thousandth.2x+3 = 5x
Solve each equation. Unless otherwise specified, give irrational solutions as decimals correct to the nearest thousandth.32x-5 = 13
Solve each equation. Unless otherwise specified, give irrational solutions as decimals correct to the nearest thousandth.4x = 12
Solve each equation. Unless otherwise specified, give irrational solutions as decimals correct to the nearest thousandth.16x+4 = 83x-2
Use a calculator to find an approximation to four decimal places for each logarithm.log3 769
Use a calculator to find an approximation to four decimal places for each logarithm. 5 log2/3
Use a calculator to find an approximation to four decimal places for each logarithm.ln 470
Use a calculator to find an approximation to four decimal places for each logarithm.ln 144,000
Use a calculator to find an approximation to four decimal places for each logarithm.log 45.6
Use a calculator to find an approximation to four decimal places for each logarithm.log 0.0411
Use properties of logarithms to rewrite each expression. Simplify the result if possible. Assume all variables represent positive real numbers.log7 (7k + 5r2)
Use properties of logarithms to rewrite each expression. Simplify the result if possible. Assume all variables represent positive real numbers. mn log3 5r
Use properties of logarithms to rewrite each expression. Simplify the result if possible. Assume all variables represent positive real numbers. logs(x*y+Vm°p)
What is the base of the exponential function whose graph contains the point (-4, 1/16)?
What is the base of the logarithmic function whose graph contains the point (81, 4)?
Determine which one of the choices (A, B, C, or D) is an equation in which y can be written as a function of x. A. y? – V(x + 2)² = 0 C. y6 – V(x + 1)² = 0 B. y – V(x+ 2)² = 0 D. y* – Vx² = 0
Determine which one of the choices (A, B, C, or D) is an equation in which y can be written as a function of x. х? A. 4 x2 x2 D. C. B. %3D 9. 4
Determine which one of the choices (A, B, C, or D) is an equation in which y can be written as a function of x. A. |x| = |y| В. х %3D|у?| D. x* + y* = 81 С. х %3
Determine which one of the choices (A, B, C, or D) is an equation in which y can be written as a function of x. A. x? y2 С. Зх — уч B. x + 2 = - D. 2x = .3 уз
Determine which one of the choices (A, B, C, or D) is an equation in which y can be written as a function of x. C. ebl = x A. e B. ev+2 = x D. 10b+2| = = x
Determine which one of the choices (A, B, C, or D) is an equation in which y can be written as a function of x. c. Vr= |y+ 1| D. Vi = y² 2 - y B. x = In (y + 1)² A. x= y + 3
Determine which one of the choices (A, B, C, or D) is an equation in which y can be written as a function of x.
Determine which one of the choices (A, B, C, or D) is an equation in which y can be written as a function of x. C. x³ + y³ = 5 A. x = Vy? B. x = log y? D. x = y2 + 3
Determine which one of the choices (A, B, C, or D) is an equation in which y can be written as a function of x. D. x = y? – 4 А. Зx? + 2у? — 36 В. х? + у — 2 3 о С.х — |у| %3D 0
Determine which one of the choices (A, B, C, or D) is an equation in which y can be written as a function of x. D. x² + y² = 9 С.х %3D|у + 3| А. Зх + 2у 3D 6 B. x = Vy|
Find the domain of the function. Write answers using interval notation. -2 f(x) log x
Find the domain of the function. Write answers using interval notation. -3 f(x) = In In (x+ 2)(x – 6) /
Find the domain of the function. Write answers using interval notation. f(x) = 6VR-25
Find the domain of each function. Write answers using interval notation. f(x) = 6Vr-25
Find the domain of each function. Write answers using interval notation.ƒ(x) = 6x2-9
Find the domain of each function. Write answers using interval notation. |f(x) = log 4 – x
Find the domain of the function. Write answers using interval notation. -1 f(x)
Find the domain of the function. Write answers using interval notation. |V5 — х f(x) =
Find the domain of the function. Write answers using interval notation. f(x) = V5 – x
Find the domain of the function. Write answers using interval notation. x² – 2x – 63 x2 + x – 12 2 - f(x) = 12
Find the domain of the function. Write answers using interval notation. f(x) — Vi6 — х4
Find the domain of the function. Write answers using interval notation. f(x) = V16 – xª
Find the domain of the function. Write answers using interval notation. f(x) = V-x² – 9
Find the domain of the function. Write answers using interval notation.ƒ(x) = x100 - x50 + x2 + 5
Find the domain of the function. Write answers using interval notation. f(x) = :- 7| |x? – 7|
Find the domain of the function. Write answers using interval notation. = ella| f(x) лsd
Find the domain of the function. Write answers using interval notation. f(x) = V(4 – x)²(x + 3)
Find the domain of the function. Write answers using interval notation.ƒ(x) = ln (x2 + 1)
An everyday activity is described. Keeping in mind that an inverse operation “undoes” what an operation does, describe each inverse activity.Filling a cup
An everyday activity is described. Keeping in mind that an inverse operation “undoes” what an operation does, describe each inverse activity.Screwing in a light bulb
An everyday activity is described. Keeping in mind that an inverse operation “undoes” what an operation does, describe each inverse activity.Climbing the stairs
An everyday activity is described. Keeping in mind that an inverse operation “undoes” what an operation does, describe each inverse activity.Entering a room
An everyday activity is described. Keeping in mind that an inverse operation “undoes” what an operation does, describe each inverse activity.Starting a car
An everyday activity is described. Keeping in mind that an inverse operation “undoes” what an operation does, describe each inverse activity.Tying your shoelaces
Can a polynomial function of even degree defined over the set of real numbers have an inverse?
Can a constant function, such as ƒ(x) = 3, defined over the set of real numbers, be one-to-one?
Find the domain of each function. Write answers using interval notation.ƒ(x) = 3x - 6
Answer each of the following.For the exponential function ƒ(x) = ax, where a > 1, is the function increasing or decreasing over its entire domain?
Fill in the blank(s) to correctly complete each sentence.If ƒ(x) = 4x, then ƒ(2) = __________ and ƒ(-2) = ________.
Determine whether each function as graphed or defined is one-to-one.
Match each equation in Column I with the best first step for solving it in Column II.10x = 150A. Use the product rule for exponents.B. Take the common logarithm on each side.C. Write the sum of logarithms as the logarithm of a product.D. Let u = ex and write the equation in quadratic form.E. Change
For the one-to-one function f(x) = V3x – 6, find f-'(x).
The following exercises are designed to help solidify your understanding of inverse, exponential, and logarithmic functions from Sections. Determine whether the functions in each pair are inverses of each other.
Find each value. If applicable, give an approximation to four decimal places.log 296 + log 12
For ƒ(x) = 3x and g(x) = [1/4]x, find each of the following. Round answers to the nearest thousandth as needed.ƒ(-1.68)
Solve each equation. In Exercises, give irrational solutions as decimals correct to the nearest thousandth. In Exercises, give solutions in exact form.e1-3x · e5x = 2e
Determine whether each function graphed or defined is one-to-one. y = 4 x-8
Write an equivalent statement in logarithmic form. 4-3/2 - | 00
Solve each equation. * = log, V7
Suppose an Egyptian mummy is discovered in which the amount of carbon-14 present is only about one-third the amount found in living human beings. How long ago did the Egyptian die?
Find the domain of each function. Write answers using interval notation. x + 2\2 f(x) = log| х — 3
Find each value. If applicable, give an approximation to four decimal places.log 387 + log 23
For ƒ(x) = 3x and g(x) = [1/4]x, find each of the following. Round answers to the nearest thousandth as needed.ƒ(2.34)
Write each equation in exponential form. In Ve 1 2
Solve each equation. In Exercises, give irrational solutions as decimals correct to the nearest thousandth. In Exercises, give solutions in exact form.e3x-7 · e-2x = 4e
Determine whether each function graphed or defined is one-to-one. y = -1 x + 2
Write an equivalent statement in logarithmic form. (V3) = 9 %3D
Solve each equation. x = logs V8
The magnitude M of a star is modeled bywhere I0 is the intensity of a just-visible star and I is the actual intensity of the star being measured. The dimmest stars are of magnitude 6, and the brightest are of magnitude 1. Determine the ratio of light intensities between a star of magnitude 1 and a
Find each value. If applicable, give an approximation to four decimal places. 643 log 287
For ƒ(x) = 3x and g(x) = [1/4]x, find each of the following. Round answers to the nearest thousandth as needed. 2,
Write each equation in exponential form. log, 27 2 %3D
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