Question 1

Answer the question about the given function.
-Given the function   list the x-intercepts, if any, of the graph of f.

Accepted Answer

A) (-12, 0), (8, 0) 
B) (12, 0), (8, 0) 
C) (-12, 0), (1, 0) 
D) (12, 0), (-8, 0) 
A) (-12, 0), (8, 0) 
B) (12, 0), (8, 0) 
C) (-12, 0), (1, 0) 
D) (12, 0), (-8, 0) A

Question 2

Answer the question about the given function.
-Given the function   list the y-intercept, if there is one, of the graph of f.

Accepted Answer

A) -4 
B) 4 
C) -8 
D) 8 
A) -4 
B) 4 
C) -8 
D) 8 B

Question 3

Find the value for the function.
-Find -f(x)when f(x)=

Accepted Answer

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

Question 4

The graph of a function f is given. Use the graph to answer the question.
-For what numbers x is f(x)

Accepted Answer

A) [-20, -12), (14, 20) 
B) (-12, 14) 
C)    
D)    
A) [-20, -12), (14, 20) 
B) (-12, 14) 
C)    
D)

Question 5

Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts,
if any, and any symmetry with respect to the x-axis, the y-axis, or the origin.
-

Accepted Answer

A) function domain:  
Range:  
Intercepts: (-2, 0), (0, 2), (2, 0)symmetry: none 
B) function domain:  
Range:  
Intercepts: (-2, 0), (0, 2), (2, 0)symmetry: y-axis 
C) function domain: all real numbers
Range: all real numbers
Intercepts: (-2, 0), (0, 2), (2, 0)symmetry: none 
D) not a function 
A) function domain:  
Range:  
Intercepts: (-2, 0), (0, 2), (2, 0)symmetry: none 
B) function domain:  
Range:  
Intercepts: (-2, 0), (0, 2), (2, 0)symmetry: y-axis 
C) function domain: all real numbers
Range: all real numbers
Intercepts: (-2, 0), (0, 2), (2, 0)symmetry: none 
D) not a function

Question 6

Answer the question about the given function.
-Given the function   is the point   on the graph of f?

Accepted Answer

A) Yes 
B) No 
A) Yes 
B) No

Question 7

Solve the problem.
-If f(x)=   and f(-7)is undefined, what are the values of A and B?

Accepted Answer

A) A = -7, B = -1 
B) A = -1, B = -7 
C) A = 7, B = 1 
D) A = 1, B = 7 
A) A = -7, B = -1 
B) A = -1, B = -7 
C) A = 7, B = 1 
D) A = 1, B = 7

Question 8

For the given functions f and g, find the requested function and state its domain.
-f(x)=   Find   .

Accepted Answer

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

Question 9

Find the value for the function.
-Find f(4)when f(x)=

Accepted Answer

A)    
B) 5 
C)    
D)    
A)    
B) 5 
C)    
D)

Question 10

Find the domain of the function.
-f(x)= 2x + 3

Accepted Answer

A) all real numbers 
B)    
C)    
D)    
A) all real numbers 
B)    
C)    
D)

Question 11

Determine whether the equation defines y as a function of x.
-

Accepted Answer

A) function 
B) not a function 
A) function 
B) not a function

Question 12

For the given functions f and g, find the requested function and state its domain.
-f(x)= 2 - 3x; g(x)= -7x + 3Find f + g.

Accepted Answer

A) (f + g)(x)= -10x + 5; all real numbers 
B)    
C) (f + g)(x)= -5x; all real numbers 
D)    
A) (f + g)(x)= -10x + 5; all real numbers 
B)    
C) (f + g)(x)= -5x; all real numbers 
D)

Question 13

Find the value for the function.
-Find f(-x)when f(x)=

Accepted Answer

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

Question 14

Solve the problem.
-A retail store buys 35 VCRs from a distributor at a cost of $150 each plus an overhead charge of $30 perorder. The retail markup is 30% on the total price paid. Find the profit on the sale of one VCR.

Accepted Answer

A) $45.26 
B) $4,526.00 
C) $45.00 
D) $44.74 
A) $45.26 
B) $4,526.00 
C) $45.00 
D) $44.74

Question 15

Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts,
if any, and any symmetry with respect to the x-axis, the y-axis, or the origin.
-

Accepted Answer

A) function domain:  
Range: {  
Intercepts:  
Symmetry: origin 
B) function domain:  
Range:  
Intercepts:  
Symmetry: none 
C) function domain: all real numbers
Range:  
Intercepts:  
Symmetry: origin 
D) not a function 
A) function domain:  
Range: {  
Intercepts:  
Symmetry: origin 
B) function domain:  
Range:  
Intercepts:  
Symmetry: none 
C) function domain: all real numbers
Range:  
Intercepts:  
Symmetry: origin 
D) not a function

Question 16

Solve the problem.
-The function f(t)=   models the U.S. population in millions, ages 65 and older, where trepresents years after 1990. The function   models the total yearly cost ofMedicare in billions of dollars, where t represents years after 1990. What does the function   represent?Find

Accepted Answer

A) Cost per person in thousands of dollars. $11.54 thousand 
B) Cost per person in thousands of dollars. $0.17 thousand 
C) Cost per person in thousands of dollars. $0.09 thousand 
D) Cost per person in thousands of dollars. $10.61 thousand 
A) Cost per person in thousands of dollars. $11.54 thousand 
B) Cost per person in thousands of dollars. $0.17 thousand 
C) Cost per person in thousands of dollars. $0.09 thousand 
D) Cost per person in thousands of dollars. $10.61 thousand

Question 17

Determine whether the equation defines y as a function of x.
-y =

Accepted Answer

A) function 
B) not a function 
A) function 
B) not a function

Question 18

The graph of a function f is given. Use the graph to answer the question.
-Is f(3)positive or negative?

Accepted Answer

A) positive 
B) negative 
A) positive 
B) negative

Question 19

Determine whether the equation defines y as a function of x.
-

Accepted Answer

A) function 
B) not a function 
A) function 
B) not a function

Question 20

Determine whether the relation represents a function. If it is a function, state the domain and range.
-{(-1, -3), (-2, -2), (-2, 0), (2, 2)

Accepted Answer

A) function domain: {-1, 2, -2, 14}
Range: {-3, -2, 0, 2, 4}
, (14, 4)} 
B) function domain: {-3, -2, 0, 2, 4}
Range: {-1, 2, -2, 14} 
C) not a function 
A) function domain: {-1, 2, -2, 14}
Range: {-3, -2, 0, 2, 4}
, (14, 4)} 
B) function domain: {-3, -2, 0, 2, 4}
Range: {-1, 2, -2, 14} 
C) not a function

Answer the question about the given function. -Given the function list the x-intercepts, if any, of the graph of f.

Answer the question about the given function. -Given the function list the y-intercept, if there is one, of the graph of f.

Find the value for the function. -Find -f(x)when f(x)=

The graph of a function f is given. Use the graph to answer the question. -For what numbers x is f(x)

Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts, if any, and any symmetry with respect to the x-axis, the y-axis, or the origin. -

Answer the question about the given function. -Given the function is the point on the graph of f?

Solve the problem. -If f(x)= and f(-7)is undefined, what are the values of A and B?

For the given functions f and g, find the requested function and state its domain. -f(x)= Find .

Find the value for the function. -Find f(4)when f(x)=

Find the domain of the function. -f(x)= 2x + 3

Determine whether the equation defines y as a function of x. -

For the given functions f and g, find the requested function and state its domain. -f(x)= 2 - 3x; g(x)= -7x + 3Find f + g.

Find the value for the function. -Find f(-x)when f(x)=

Solve the problem. -A retail store buys 35 VCRs from a distributor at a cost of $150 each plus an overhead charge of $30 perorder. The retail markup is 30% on the total price paid. Find the profit on the sale of one VCR.

Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts, if any, and any symmetry with respect to the x-axis, the y-axis, or the origin. -

Solve the problem. -The function f(t)= models the U.S. population in millions, ages 65 and older, where trepresents years after 1990. The function models the total yearly cost ofMedicare in billions of dollars, where t represents years after 1990. What does the function represent?Find

Determine whether the equation defines y as a function of x. -y =

The graph of a function f is given. Use the graph to answer the question. -Is f(3)positive or negative?

Determine whether the equation defines y as a function of x. -

Determine whether the relation represents a function. If it is a function, state the domain and range. -{(-1, -3), (-2, -2), (-2, 0), (2, 2)

Equations and Inequalities

Graphs

Linear and Quadratic Functions

Polynomial and Rational Functions

Exponential and Logarithmic Functions

Analytic Geometry

Systems of Equations and Inequalities

Sequences; Induction; the Binomial Theorem

Counting and Probability

Graphing Utilities

Filters

Exam 3: Functions and Their Graphs

Answer the question about the given function. -Given the function list the x-intercepts, if any, of the graph of f.

Answer the question about the given function. -Given the function list the y-intercept, if there is one, of the graph of f.

Find the value for the function. -Find -f(x)when f(x)=

The graph of a function f is given. Use the graph to answer the question. -For what numbers x is f(x)

Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts, if any, and any symmetry with respect to the x-axis, the y-axis, or the origin. -

Answer the question about the given function. -Given the function is the point on the graph of f?

Solve the problem. -If f(x)= and f(-7)is undefined, what are the values of A and B?

For the given functions f and g, find the requested function and state its domain. -f(x)= Find .

Find the value for the function. -Find f(4)when f(x)=

Find the domain of the function. -f(x)= 2x + 3

Determine whether the equation defines y as a function of x. -

For the given functions f and g, find the requested function and state its domain. -f(x)= 2 - 3x; g(x)= -7x + 3Find f + g.

Find the value for the function. -Find f(-x)when f(x)=

Solve the problem. -A retail store buys 35 VCRs from a distributor at a cost of $150 each plus an overhead charge of $30 perorder. The retail markup is 30% on the total price paid. Find the profit on the sale of one VCR.

Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts, if any, and any symmetry with respect to the x-axis, the y-axis, or the origin. -

Solve the problem. -The function f(t)= models the U.S. population in millions, ages 65 and older, where trepresents years after 1990. The function models the total yearly cost ofMedicare in billions of dollars, where t represents years after 1990. What does the function represent?Find

Determine whether the equation defines y as a function of x. -y =

The graph of a function f is given. Use the graph to answer the question. -Is f(3)positive or negative?

Determine whether the equation defines y as a function of x. -

Determine whether the relation represents a function. If it is a function, state the domain and range. -{(-1, -3), (-2, -2), (-2, 0), (2, 2)

Equations and Inequalities

Graphs

Linear and Quadratic Functions

Polynomial and Rational Functions

Exponential and Logarithmic Functions

Analytic Geometry

Systems of Equations and Inequalities

Sequences; Induction; the Binomial Theorem

Counting and Probability

Graphing Utilities

Filters