Question 1

Given the functions   , find

Accepted Answer

A)  
  
B)    
C)  
  
D)  
  
A)  
  
B)    
C)  
  
D)

Question 2

Given the function G(x) = -7 - 6x, evaluate G(4).

Accepted Answer

A)  17 
B)  31 
C)  -31 
D)  4x - 7 
A)  17 
B)  31 
C)  -31 
D)  4x - 7

Question 3

Write an equation that describes the variation.
s varies directly with the cube of T. s = 84,375 when T = 15.

Accepted Answer

The answer of Write an equation that describes the variation.
s...

Question 4

Classify the following relationship as a function or not a function.{(-17, 20), (17, 20), (-12, 20), (1, 20)}

Accepted Answer

A)  a function 
B)  not a function 
C)  don't know 
A)  a function 
B)  not a function 
C)  don't know

Question 5

Use the vertical line test to determine if the graph below defines a function.

Accepted Answer

The answer of Use the vertical line test to determine...

Question 6

Classify the following relationship as a function or not a function.

Accepted Answer

A)  a function 
B)  not a function 
C)  don't know 
A)  a function 
B)  not a function 
C)  don't know

Question 7

Find the difference quotient   for the function.
f (x) = -9   + 15x - 11

Accepted Answer

The answer of Find the difference quotient   for...

Question 8

Given the function f (x) = 5x - 4, evaluate f (x + 10).

Accepted Answer

A)  5x + 46 
B)  5x - 46 
C)  5   + 46 
D)  5x + 6 
A)  5x + 46 
B)  5x - 46 
C)  5   + 46 
D)  5x + 6

Question 9

Write an equation that describes the variation. P varies directly with the square root of x and inversely with the cube of u.   when   and

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 10

Given the function f (x) =   - 5x - 15, evaluate   .

Accepted Answer

A)  2x + h - 5 
B)    
C)  2x + h + 5 
D)  1 
A)  2x + h - 5 
B)    
C)  2x + h + 5 
D)  1

Question 11

Given the function f (x) = -7 - 5x, evaluate   .

Accepted Answer

A)  5 
B)  -5 
C)    
D)  1 
A)  5 
B)  -5 
C)    
D)  1

Question 12

The function f (x) =   , x ≥   is a one-to-one function. Find its inverse.

Accepted Answer

The answer of The function f (x) =  ...

Question 13

Levi's makes jeans in a variety of price ranges for juniors. The Silver Tab Baggy jeans sell for about $37, whereas the Offender jeans sell for $150. The demand for Levi's jeans is inversely proportional to the price. If 235,000 pairs of the Silver Tab Baggy jeans were bought, approximately how many of the Offender were bought? Round to the nearest integer.

Accepted Answer

57,967 pai

Question 14

Given the functions f (x) = x + 3 and g(x) = 6x - 9, find (f · g)(x).

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 15

Determine whether the function is a one-to-one function.

Accepted Answer

A)  not a one-to-one function 
B)  a one-to-one function 
A)  not a one-to-one function 
B)  a one-to-one function

Question 16

Determine if the function f (x) =   - 10 is even, odd, or neither even nor odd.

Accepted Answer

A)  even 
B)  odd 
C)  neither even nor odd 
A)  even 
B)  odd 
C)  neither even nor odd

Question 17

Given the functions f (x) = and g(x) = , find (f ? g)(x).

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 18

In physics, the inverse square law states that any physical quantity or strength is inversely proportional to the square of the distance from the source of that physical quantity. In particular, the intensity of light radiating from a point source is inversely proportional to the square of the distance from the source. Below is a table of average distances from the Sun:
   
The solar radiation on the Earth is approximately 1,250 watts per square meter. How much solar radiation is there on Mercury? Round to the nearest hundredth watts per square meter.

Accepted Answer

8,360.58 w

Question 19

Given the function G(x) = 6 - 4x, evaluate G(4x + 2).

Accepted Answer

A)  -16   + 16x + 12 
B)  -16   + 2 
C)  -16x - 14 
D)  -16x - 2 
A)  -16   + 16x + 12 
B)  -16   + 2 
C)  -16x - 14 
D)  -16x - 2

Question 20

The function f (x) =   , x ?   is a one-to-one function. Verify that y =   is its inverse.

Accepted Answer

A)  The function is not the inverse of f (x) 
B)  The function is the inverse of f (x) 
C)  The function f (x) does not have an inverse 
A)  The function is not the inverse of f (x) 
B)  The function is the inverse of f (x) 
C)  The function f (x) does not have an inverse

Given the functions , find

Given the function G(x) = -7 - 6x, evaluate G(4).

Write an equation that describes the variation. s varies directly with the cube of T. s = 84,375 when T = 15.

Classify the following relationship as a function or not a function.{(-17, 20), (17, 20), (-12, 20), (1, 20)}

Use the vertical line test to determine if the graph below defines a function.

Classify the following relationship as a function or not a function.

Find the difference quotient for the function. f (x) = -9 + 15x - 11

Given the function f (x) = 5x - 4, evaluate f (x + 10).

Write an equation that describes the variation. P varies directly with the square root of x and inversely with the cube of u. when and

Given the function f (x) = - 5x - 15, evaluate .

Given the function f (x) = -7 - 5x, evaluate .

The function f (x) = , x ≥ is a one-to-one function. Find its inverse.

Given the functions f (x) = x + 3 and g(x) = 6x - 9, find (f · g)(x).

Determine whether the function is a one-to-one function.

Determine if the function f (x) = - 10 is even, odd, or neither even nor odd.

Given the functions f (x) = and g(x) = , find (f ? g)(x).

Given the function G(x) = 6 - 4x, evaluate G(4x + 2).

The function f (x) = , x ? is a one-to-one function. Verify that y = is its inverse.

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Exam 3: Functions and Their Graphs

Given the functions , find

Given the function G(x) = -7 - 6x, evaluate G(4).

Write an equation that describes the variation. s varies directly with the cube of T. s = 84,375 when T = 15.

Classify the following relationship as a function or not a function.{(-17, 20), (17, 20), (-12, 20), (1, 20)}

Use the vertical line test to determine if the graph below defines a function.

Classify the following relationship as a function or not a function.

Find the difference quotient for the function. f (x) = -9 + 15x - 11

Given the function f (x) = 5x - 4, evaluate f (x + 10).

Write an equation that describes the variation. P varies directly with the square root of x and inversely with the cube of u. when and

Given the function f (x) = - 5x - 15, evaluate .

Given the function f (x) = -7 - 5x, evaluate .

The function f (x) = , x ≥ is a one-to-one function. Find its inverse.

Given the functions f (x) = x + 3 and g(x) = 6x - 9, find (f · g)(x).

Determine whether the function is a one-to-one function.

Determine if the function f (x) = - 10 is even, odd, or neither even nor odd.

Given the functions f (x) = and g(x) = , find (f ? g)(x).

Given the function G(x) = 6 - 4x, evaluate G(4x + 2).

The function f (x) = , x ? is a one-to-one function. Verify that y = is its inverse.

Equations and Inequalities

Graphs

Polynomial and Rational Functions

Exponential and Logarithmic Functions

Systems of Linear Equations and Inequalities

Matrices

Conics and Systems of Nonlinear Equations and Inequalities

Sequences, Series, and Probability

Filters