Question 1

The graph of a function f is given. Use the graph to answer the question.
-What is the y-intercept?

Accepted Answer

A) -6 
B) 7 
C) 10 
D) -8 
A) -6 
B) 7 
C) 10 
D) -8

Question 2

Solve the problem.
-If f(x)=   nd f(-5)= -10, what is the value of A?

Accepted Answer

A) A = 53 
B) A = -53 
C) A = -28 
D) A = 28 
A) A = 53 
B) A = -53 
C) A = -28 
D) A = 28

Question 3

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 4

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: all real numbers
Intercepts: (-3, 0), (3, 0)symmetry: x-axis, y-axis, origin 
B) function domain: all real numbers
Range:  
Intercepts: (-3, 0), (3, 0)symmetry: y-axis 
C) function domain:  
Range: all real numbers
Intercepts: (-3, 0), (3, 0)symmetry: x-axis, y-axis 
D) not a function 
A) function domain:  
Range: all real numbers
Intercepts: (-3, 0), (3, 0)symmetry: x-axis, y-axis, origin 
B) function domain: all real numbers
Range:  
Intercepts: (-3, 0), (3, 0)symmetry: y-axis 
C) function domain:  
Range: all real numbers
Intercepts: (-3, 0), (3, 0)symmetry: x-axis, y-axis 
D) not a function

Question 5

The graph of a function f is given. Use the graph to answer the question.
-Is f(-50)positive or negative?

Accepted Answer

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

Question 6

Find the value for the function.
-Find f(-3)when f(x)=

Accepted Answer

A) -11 
B) -1 
C) 29 
D) 19 
A) -11 
B) -1 
C) 29 
D) 19

Question 7

Find and simplify the difference quotient of f,   for the function.
-f(x)=

Accepted Answer

A) 4(2x+h) 
B)    
C)    
D) 4 
A) 4(2x+h) 
B)    
C)    
D) 4

Question 8

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 9

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 10

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: all real numbers
Range:  
Intercepts: (-3, 0), (0, 3), (1, 0)symmetry: none 
B) function domain:  
Range: all real numbers
Intercepts: (-3, 0), (0, 3), (1, 0)symmetry: y-axis 
C) function domain: all real numbers
Range:  
Intercepts: (0, -3), (3, 0), (0, 1)symmetry: none 
D) not a function 
A) function domain: all real numbers
Range:  
Intercepts: (-3, 0), (0, 3), (1, 0)symmetry: none 
B) function domain:  
Range: all real numbers
Intercepts: (-3, 0), (0, 3), (1, 0)symmetry: y-axis 
C) function domain: all real numbers
Range:  
Intercepts: (0, -3), (3, 0), (0, 1)symmetry: none 
D) not a function

Question 11

Solve the problem.
-If a rock falls from a height of 60 meters on Earth, the height H (in meters)after x seconds is approximately   When does the rock strike the ground? Round to the nearest hundredth, if necessary.

Accepted Answer

A) 3.5 sec 
B) 12.24 sec 
C) 1.58 sec 
D) 2.5 sec 
A) 3.5 sec 
B) 12.24 sec 
C) 1.58 sec 
D) 2.5 sec

Question 12

Solve the problem.
-A firm is considering a new product. The accounting department estimates that the total cost, C(x), of produx units will beC(x)= 60x + 3,680.The sales department estimates that the revenue, R(x), from selling x units will beR(x)= 70x,but that no more than 485 units can be sold at that price. Find and interpret (R -C)(485).

Accepted Answer

A) $1,170 profit, income exceeds cost It is worth it to develop product. 
B) -$1,170 loss, cost exceeds income It is not worth it to develop product. 
C) $66,730 profit, income exceeds cost It is worth it to develop product. 
D) $853 profit, income exceeds cost It is worth it to develop product. 
A) $1,170 profit, income exceeds cost It is worth it to develop product. 
B) -$1,170 loss, cost exceeds income It is not worth it to develop product. 
C) $66,730 profit, income exceeds cost It is worth it to develop product. 
D) $853 profit, income exceeds cost It is worth it to develop product.

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

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

Accepted Answer

A)    
B)    
C) 2   
D)    
A)    
B)    
C) 2   
D)

Question 15

Determine whether the relation represents a function. If it is a function, state the domain and range.
-{(-3, 6), (1, 4), (4, -4), (7, -1)}

Accepted Answer

A) function domain: {-3, 1, 4, 7}
Range: {6, 4, -4, -1} 
B) function domain: {6, 4, -4, -1}
Range: {-3, 1, 4, 7} 
C) not a function 
A) function domain: {-3, 1, 4, 7}
Range: {6, 4, -4, -1} 
B) function domain: {6, 4, -4, -1}
Range: {-3, 1, 4, 7} 
C) not a function

Question 16

Answer the question about the given function.
-Given the function   what is the domain of f?

Accepted Answer

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

Question 17

The graph of a function f is given. Use the graph to answer the question.
-Use the graph of f given below to find f(-12).

Accepted Answer

A) 0 
B) -12 
C) 20 
D) -8 
A) 0 
B) -12 
C) 20 
D) -8

Question 18

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

Accepted Answer

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

Question 19

Solve the problem.
-If f(x)=   C and f(3)= 1, what is the value of C?

Accepted Answer

A) C = -131 
B) C = 25 
C) C = 31 
D) C = 139 
A) C = -131 
B) C = 25 
C) C = 31 
D) C = 139

Question 20

The graph of a function f is given. Use the graph to answer the question.
-For which of the following values of x does f(x)= -40?

Accepted Answer

A) 20 
B) 0 
C) 30 
D) -40 
A) 20 
B) 0 
C) 30 
D) -40

The graph of a function f is given. Use the graph to answer the question. -What is the y-intercept?

Solve the problem. -If f(x)= nd f(-5)= -10, what is the value of A?

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

The graph of a function f is given. Use the graph to answer the question. -Is f(-50)positive or negative?

Find the value for the function. -Find f(-3)when f(x)=

Find and simplify the difference quotient of f, for the function. -f(x)=

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

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

Solve the problem. -If a rock falls from a height of 60 meters on Earth, the height H (in meters)after x seconds is approximately When does the rock strike the ground? Round to the nearest hundredth, if necessary.

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

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

Determine whether the relation represents a function. If it is a function, state the domain and range. -{(-3, 6), (1, 4), (4, -4), (7, -1)}

Answer the question about the given function. -Given the function what is the domain of f?

The graph of a function f is given. Use the graph to answer the question. -Use the graph of f given below to find f(-12).

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

Solve the problem. -If f(x)= C and f(3)= 1, what is the value of C?

The graph of a function f is given. Use the graph to answer the question. -For which of the following values of x does f(x)= -40?

Equations and Inequalities

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Linear and Quadratic Functions

Polynomial and Rational Functions

Exponential and Logarithmic Functions

Analytic Geometry

Systems of Equations and Inequalities

Sequences; Induction; the Binomial Theorem

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Exam 3: Functions and Their Graphs

The graph of a function f is given. Use the graph to answer the question. -What is the y-intercept?

Solve the problem. -If f(x)= nd f(-5)= -10, what is the value of A?

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

The graph of a function f is given. Use the graph to answer the question. -Is f(-50)positive or negative?

Find the value for the function. -Find f(-3)when f(x)=

Find and simplify the difference quotient of f, for the function. -f(x)=

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

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

Solve the problem. -If a rock falls from a height of 60 meters on Earth, the height H (in meters)after x seconds is approximately When does the rock strike the ground? Round to the nearest hundredth, if necessary.

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

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

Determine whether the relation represents a function. If it is a function, state the domain and range. -{(-3, 6), (1, 4), (4, -4), (7, -1)}

Answer the question about the given function. -Given the function what is the domain of f?

The graph of a function f is given. Use the graph to answer the question. -Use the graph of f given below to find f(-12).

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

Solve the problem. -If f(x)= C and f(3)= 1, what is the value of C?

The graph of a function f is given. Use the graph to answer the question. -For which of the following values of x does f(x)= -40?

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