All Matches
Solution Library
Expert Answer
Textbooks
Search Textbook questions, tutors and Books
Oops, something went wrong!
Change your search query and then try again
Toggle navigation
FREE Trial
S
Books
FREE
Tutors
Study Help
Expert Questions
Accounting
General Management
Mathematics
Finance
Organizational Behaviour
Law
Physics
Operating System
Management Leadership
Sociology
Programming
Marketing
Database
Computer Network
Economics
Textbooks Solutions
Accounting
Managerial Accounting
Management Leadership
Cost Accounting
Statistics
Business Law
Corporate Finance
Finance
Economics
Auditing
Ask a Question
Search
Search
Sign In
Register
study help
mathematics
precalculus
Questions and Answers of
Precalculus
In problem, find the real solutions of each equation.x2 - 8x - 9 = 0
Suppose that the graph of a function g is known. The graph of y = g(x) + 2 may be obtained by a _______ shift of the graph of g ________ a distance of 2 units.
A set of points in the xy-plane is the graph of a function if and only if every _____________ line intersects the graph in at most one point.
Let P = (x, y) be a point on the graph of y = √x.(a) Express the distance d from P to the point (1, 0) as a function of x.(b) Use a graphing utility to graph d = d(x).(c) For what values of x is d
Test the equation y = 5x2 – 1 for symmetry with respect to the x-axis, the y-axis, and the origin.
In problem, find the following for each function:(a) f(2)(b) f(-2)(c) f(-x)(d) -f(x)(e) f(x - 2)(f) (2x)f(x) = 3x/x2 - 1
In problem, find the domain of each function and evaluate each function at x = -1.g(x) = x + 2/|x + 2|
Sketch the graph of y = 1/x.
If x = 3 the value of the expression 3x2 – 5x + 1/2 is _______.
In problem, find the real solutions of each equation.3x2 - x = 0
Suppose that the graph of a function f is known. Then the graph of y = f (-x) may be obtained by a reflection about the _________ -axis of the graph of the function y = f (x).
True or FalseThe point (-2, -6)is on the graph of the equation x = 2y - 2.
Let P = (x, y) be a point on the graph of y = x2 – 8.(a) Express the distance d from P to the point (0, -1) as a function of x.(b) What is d if x = 0?(c) What is d if x = -1?(d) Use a graphing
In problem, find the domain of each function and evaluate each function at x = -1.f(x) = √4 – 5x
Sketch the graph of y = √x.
The inequality -1 < x < 3 can be written in interval notation as _____.
In problem, find the real solutions of each equation.3x - 8 = 10
The intercepts of the equation x2 + 4y2 = 16 are ______________.
Let P = (x, y) be a point on the graph of y = x2 – 8.(a) Express the distance d from P to the origin as a function of x.(b) What is d if x = 0?(c) What is d if x = 1?(d) Use a graphing utility to
The interval (2, 5) can be written as the inequality _________.
In problem, determine whether each relation represents a function. For each function, state the domain and range.{(-1, 0), (2, 3), (4, 0)}
Determine whether each relation represents a function. For each function, state the domain and the range.(a) {(2, 5), (4, 6), (6, 7), (8, 8)}(b) {(1, 3), (4, -2), (-3, 5), (1, 7)}(c)(d) -4 -2 4 -2 -4
If two distinct lines have the same slope, but different x-intercepts, can they have the same y-intercept?
The figure shows the graph of two parallel lines. Which of the following pairs of equations might have such a graph?(a) x - 2y = 3x + 2y = 7(b) x + y = 2x + y = - 1(c) x - y = -2x y =
Commonwealth Edison Company supplies electricity to residential customers for a monthly customer charge of $10.55 plus 9.44 cents per kilowatt-hour for up to 600 kilowatt-hours.(a) Write a linear
The annual fixed costs for owning a small sedan are $1289, assuming the car is completely paid for.The cost to drive the car is approximately $0.15 per mile. Write a linear equation that relates the
In problem, write an equation of each line. Express your answer using either the general form or the slopeintercept form of the equation of a line, whichever you prefer. -3 3 -2 2.
In problem, write an equation of each line. Express your answer using either the general form or the slopeintercept form of the equation of a line, whichever you prefer. -3 3 -2 2.
In problem, write an equation of each line. Express your answer using either the general form or the slopeintercept form of the equation of a line, whichever you prefer. 4 -6 -4
Find an equation of the x-axis.
In problem, find the slope and y-intercept of each line. Graph the line.x + y = 1
In problem, find the slope and y-intercept of each line. Graph the line.3x + 2y = 6
In problem, draw a quick sketch of each equation.x = y2
In problem, find the slope and y-intercept of each line. Graph the line.y = -3x + 4
In problem, draw a quick sketch of each equation.y = x3
In problem, find the slope and y-intercept of each line. Graph the line.y = 2x + 3
In problem, list the intercepts and test for symmetry.y = x4 + 1/2x5
In problem, find an equation for the line with the given properties. Express your answer using either the general form or the slope–intercept form of the equation of a line, whichever you
In problem, list the intercepts and test for symmetry.y = -x3/x2 – 9
In problem, find an equation for the line with the given properties. Express your answer using either the general form or the slope–intercept form of the equation of a line, whichever you
In problem, list the intercepts and test for symmetry.y = x2 – 4/2x
In problem, find an equation for the line with the given properties. Express your answer using either the general form or the slope–intercept form of the equation of a line, whichever you
In problem, list the intercepts and test for symmetry.y = 3x/(x2 + 9)
In problem, find an equation for the line with the given properties. Express your answer using either the general form or the slope–intercept form of the equation of a line, whichever you
In problem, match each graph with the correct equation.(a) (x 3)2 + (y + 3) 2 = 9(b) (x + 1) 2 + (y - 2) 2 = 4(c) (x - 1) 2 + (y + 2) 2 = 4(d) (x + 3) 2 +
In problem, match each graph with the correct equation.(a) (x 3)2 + (y + 3) 2 = 9(b) (x + 1) 2 + (y - 2) 2 = 4(c) (x - 1) 2 + (y + 2) 2 = 4(d) (x + 3) 2 +
In problem, match each graph with the correct equation.(a) (x 3)2 + (y + 3) 2 = 9(b) (x + 1) 2 + (y - 2) 2 = 4(c) (x - 1) 2 + (y + 2) 2 = 4(d) (x + 3) 2 +
In problem, match each graph with the correct equation.(a) (x 3)2 + (y + 3) 2 = 9(b) (x + 1) 2 + (y - 2) 2 = 4(c) (x - 1) 2 + (y + 2) 2 = 4(d) (x + 3) 2 +
In problem, draw a quick sketch of each equation.y = √x
In problem, draw a quick sketch of each equation.y = 1/x
In problem, find the slope and y-intercept of each line. Graph the line.1/3 x + y = 2
If (3, b) is a point on the graph of y = 4x + 1, what is b?
In problem, find the slope and y-intercept of each line. Graph the line.y = 1/2 x + 2
If (-2, b) is a point on the graph of 2x + 3y = 2, what is b?
In problem, find the slope and y-intercept of each line. Graph the line.y = 2x + 1/2
If (a, 4) is a point on the graph of y = x2 + 3x, what is a?
In problem, find the slope and y-intercept of each line. Graph the line.x + 2y = 4
If (a, -5) is a point on the graph of y = x2 + 6x, what is a?
In problem, find the slope and y-intercept of each line. Graph the line.-x + 3y = 6
Given that the point (1, 2) is on the graph of an equation that is symmetric with respect to the origin, what other point is on the graph?
In problem, find the slope and y-intercept of each line. Graph the line.2x - 3y = 6
If the graph of an equation is symmetric with respect to the y-axis and 6 is an x-intercept of this graph, name another x-intercept.
If the graph of an equation is symmetric with respect to the origin and -4 is an x-intercept of this graph, name another x-intercept.
If the graph of an equation is symmetric with respect to the x-axis and 2 is a y-intercept, name another y-intercept.
In problem, find the slope and y-intercept of each line. Graph the line.x - y = 2
In studios and on stages, cardioid microphones are often preferred for the richness they add to voices and for their ability to reduce the level of sound from the sides and rear of the microphone.
In problem, find the slope and y-intercept of each line. Graph the line.x = -4
The solar electric generating systems at Kramer Junction, California, use parabolic troughs to heat a heat-transfer fluid to a high temperature. This fluid is used to generate steam that drives a
In problem, find the slope and y-intercept of each line. Graph the line.y = -1
(a) Graph y = √x2, y = x, y = |x|, and y = (√x)2, noting which graphs are the same.(b) Explain why the graphs of y = √x2 and y = |x| are the same.(c) Explain why the graph of y = x
In problem, find the slope and y-intercept of each line. Graph the line.y = 5
Explain what is meant by a complete graph.
In problem, find the slope and y-intercept of each line. Graph the line.y - x = 0
Draw a graph of an equation that contains two x-intercepts; at one the graph crosses the x-axis, and at the other the graph touches the x-axis.
In problem, find the slope and y-intercept of each line. Graph the line.x + y = 0
In problem, find the slope and y-intercept of each line. Graph the line.2y - 3x = 0
In problem, find the slope and y-intercept of each line. Graph the line.3x + 2y = 0
An equation is being tested for symmetry with respect to the x-axis, the y-axis, and the origin. Explain why, if two of these symmetries are present, the remaining one must also be present.
In Problem,(a) Find the intercepts of the graph of each equation and(b) Graph the equation.2x + 3y = 6
Draw a graph that contains the points (-2, 5), (-1, 3), and (0, 2) that is symmetric with respect to the y-axis. Compare your graph with those of other students; comment on any similarities. Can a
In Problem,(a) Find the intercepts of the graph of each equation and(b) Graph the equation.3x - 2y = 6
In Problem,(a) Find the intercepts of the graph of each equation and(b) Graph the equation.-4x + 5y = 40
In Problem,(a) Find the intercepts of the graph of each equation and(b) Graph the equation.6x - 4y = 24
In Problem,(a) Find the intercepts of the graph of each equation and(b) Graph the equation.7x + 2y = 21
In Problem,(a) Find the intercepts of the graph of each equation and(b) Graph the equation.5x + 3y = 18
In Problem,(a) Find the intercepts of the graph of each equation and(b) Graph the equation.1/2 x + 1/3 y = 1
In Problem,(a) Find the intercepts of the graph of each equation and(b) Graph the equation.x - 2/3 y = 4
In Problem,(a) Find the intercepts of the graph of each equation and(b) Graph the equation.0.2x - 0.5y = 1
In Problem,(a) Find the intercepts of the graph of each equation and(b) Graph the equation.-0.3x + 0.4y = 1.2
In problem, the equations of two lines are given. Determine if the lines are parallel, perpendicular, or neither.y = ½ x – 3y = -2x + 4
In problem, the equations of two lines are given. Determine if the lines are parallel, perpendicular, or neither.0.2x - 0.5y = 1
In problem, the equations of two lines are given. Determine if the lines are parallel, perpendicular, or neither.y = -2x + 3y = -1/2 x + 2
In problem, write an equation of each line. Express your answer using either the general form or the slopeintercept form of the equation of a line, whichever you prefer. -3 3 -2 2.
Use slopes to show that the triangle whose vertices are (-2, 5), (1, 3) , (-1, 0) and is a right triangle.
Use slopes to show that the quadrilateral whose vertices are (1, -1), (2, 3), (2, 2), and (5, 4) is a parallelogram.
Use slopes to show that the quadrilateral whose vertices are (-1, 0), (2, 3), (1, -2), and (4, 1) is a rectangle.
Use slopes and the distance formula to show that the quadrilateral whose vertices are (0, 0), (1, 3), (4, 2), and (3, -1) is a square.
A truck rental company rents a moving truck for one day by charging $29 plus $0.20 per mile.Write a linear equation that relates the cost C, in dollars, of renting the truck to the number x of miles
The fixed costs of operating a business are the costs incurred regardless of the level of production. Fixed costs include rent, fixed salaries, and costs of leasing machinery.The variable costs of
Dan receives $375 per week for selling new and used cars at a car dealership in Oak Lawn, Illinois. In addition, he receives 5% of the profit on any sales that he generates. Write a linear equation
Showing 29100 - 29200
of 29453
First
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295