Question 1

Use the graph to find the indicated function value.
-y = f(x). Find f(-4)

Accepted Answer

A)  4 
B)  13 
C)  1.75 
D)  -4 
A)  4 
B)  13 
C)  1.75 
D)  -4

Question 2

Use the vertical line test to determine whether or not the graph is a graph of a function.
-

Accepted Answer

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

Question 3

Decide whether the relation is a function.
-$$\{ ( - 6,5 ) , ( - 6 , - 7 ) , ( 1,2 ) , ( 6,6 ) , ( 9,8 ) \}$$

Accepted Answer

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

Question 4

Find the indicated function value.
-$$f ( x ) = x + 3 , g ( x ) = x - 4$$
Find $( f + g ) ( - 5 )$.

Accepted Answer

A)  $- 3$ 
B)  $- 11$ 
C)  $- 17$ 
D)  $- 9$ 
A)  $- 3$ 
B)  $- 11$ 
C)  $- 17$ 
D)  $- 9$

Question 5

The graph below shows the percentage of students enrolled in the College of Engineering at State University. Use the graph to
answer the question.  
-If f(x) = 15%, what year is represented by x?

Accepted Answer

A)  1985 
B)  1990 
C)  1980 
D)  1995 
A)  1985 
B)  1990 
C)  1980 
D)  1995

Question 6

Find the indicated function value.
-$$\text { Find } f ( - 2 ) \text { when } f ( x ) = 5 x ^ { 2 } + 4 x + 1$$

Accepted Answer

A)  -3 
B)  13 
C)  11 
D)  29 
A)  -3 
B)  13 
C)  11 
D)  29

Question 7

Find the indicated function value.
-$$\begin{array}{l}
\begin{array} { c | c } 
x & f ( x ) \
\hline - 3 & 0 \
- 1 & 10 \
0 & 15 \
1 & 20 \
3 & 30
\end{array}\
\text { Find } f ( - 1 )
\end{array}$$

Accepted Answer

A)  20 
B)  30 
C)  10 
D)  0 
A)  20 
B)  30 
C)  10 
D)  0

Question 8

Find the domain and range.
-$$\{ ( - 4,13 ) , ( - 3,6 ) , ( 0 , - 3 ) , ( 3,6 ) , ( 5,22 ) \}$$

Accepted Answer

A)  domain: $\{ 13,6 , - 3,22 \}$; range: $\{ - 4 , - 3,3,5 \}$ 
B)  domain: $\{ 13,6 , - 3,22 \}$; range: $\{ - 4 , - 3,0,3,5 \}$ 
C)  domain: $\{ - 4 , - 3,0,3,5 \}$; range: $\{ 13,6 , - 3,22 \}$ 
D)  domain: $\{ - 4 , - 3,3,5 \}$; range: $\{ 13,6 , - 3,22 \}$ 
A)  domain: $\{ 13,6 , - 3,22 \}$; range: $\{ - 4 , - 3,3,5 \}$ 
B)  domain: $\{ 13,6 , - 3,22 \}$; range: $\{ - 4 , - 3,0,3,5 \}$ 
C)  domain: $\{ - 4 , - 3,0,3,5 \}$; range: $\{ 13,6 , - 3,22 \}$ 
D)  domain: $\{ - 4 , - 3,3,5 \}$; range: $\{ 13,6 , - 3,22 \}$

Question 9

Find the domain of the function.
-$$f ( x ) = x ^ { 2 } + 1$$

Accepted Answer

A)  $( \infty , \infty )$ 
B)  $( \infty , - 1 )$ or $( - 1 , \infty )$ 
C)  $[ - 1 , \infty )$ 
D)  $( - 1 , \infty )$ 
A)  $( \infty , \infty )$ 
B)  $( \infty , - 1 )$ or $( - 1 , \infty )$ 
C)  $[ - 1 , \infty )$ 
D)  $( - 1 , \infty )$

Question 10

Use the vertical line test to determine whether or not the graph is a graph of a function.
-

Accepted Answer

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

Use the graph to find the indicated function value. -y = f(x). Find f(-4)

Use the vertical line test to determine whether or not the graph is a graph of a function. -

Decide whether the relation is a function. - $\{ ( - 6,5 ) , ( - 6 , - 7 ) , ( 1,2 ) , ( 6,6 ) , ( 9,8 ) \}$

Find the indicated function value. - $f ( x ) = x + 3 , g ( x ) = x - 4$ Find $( f + g ) ( - 5 )$ .

The graph below shows the percentage of students enrolled in the College of Engineering at State University. Use the graph to answer the question. -If f(x) = 15%, what year is represented by x?

Find the indicated function value. - $\text { Find } f ( - 2 ) \text { when } f ( x ) = 5 x ^ { 2 } + 4 x + 1$

Find the indicated function value. - x f(x) -3 0 -1 10 0 15 1 20 3 30 Find f(-1)

Find the domain and range. - $\{ ( - 4,13 ) , ( - 3,6 ) , ( 0 , - 3 ) , ( 3,6 ) , ( 5,22 ) \}$

Find the domain of the function. - $f ( x ) = x ^ { 2 } + 1$

Use the vertical line test to determine whether or not the graph is a graph of a function. -

Variables, Real Numbers, and Mathematical Models

Linear Equations and Inequalities in One Variable

Linear Equations in Two Variables

Systems of Linear Equations

Exponents and Polynomials

Factoring Polynomials

Rational Expressions

Inequalities and Problem Solving

Radicals, Radical Functions, and Rational Exponents

Filters

Exam 8: Basics of Functions

Use the graph to find the indicated function value. -y = f(x). Find f(-4)

Use the vertical line test to determine whether or not the graph is a graph of a function. -

Decide whether the relation is a function. - {(−6,5),(−6,−7),(1,2),(6,6),(9,8)}\{ ( - 6,5 ) , ( - 6 , - 7 ) , ( 1,2 ) , ( 6,6 ) , ( 9,8 ) \}{(−6,5),(−6,−7),(1,2),(6,6),(9,8)}

Find the indicated function value. - f(x)=x+3,g(x)=x−4f ( x ) = x + 3 , g ( x ) = x - 4f(x)=x+3,g(x)=x−4 Find (f+g)(−5)( f + g ) ( - 5 )(f+g)(−5) .

The graph below shows the percentage of students enrolled in the College of Engineering at State University. Use the graph to answer the question. -If f(x) = 15%, what year is represented by x?

Find the indicated function value. - Find f(−2) when f(x)=5x2+4x+1\text { Find } f ( - 2 ) \text { when } f ( x ) = 5 x ^ { 2 } + 4 x + 1 Find f(−2) when f(x)=5x2+4x+1

Find the indicated function value. - x f(x) -3 0 -1 10 0 15 1 20 3 30 Find f(-1)

Find the domain and range. - {(−4,13),(−3,6),(0,−3),(3,6),(5,22)}\{ ( - 4,13 ) , ( - 3,6 ) , ( 0 , - 3 ) , ( 3,6 ) , ( 5,22 ) \}{(−4,13),(−3,6),(0,−3),(3,6),(5,22)}

Find the domain of the function. - f(x)=x2+1f ( x ) = x ^ { 2 } + 1f(x)=x2+1

Use the vertical line test to determine whether or not the graph is a graph of a function. -

Variables, Real Numbers, and Mathematical Models

Linear Equations and Inequalities in One Variable

Linear Equations in Two Variables

Systems of Linear Equations

Exponents and Polynomials

Factoring Polynomials

Rational Expressions

Inequalities and Problem Solving

Radicals, Radical Functions, and Rational Exponents

Filters

Decide whether the relation is a function. - $\{ ( - 6,5 ) , ( - 6 , - 7 ) , ( 1,2 ) , ( 6,6 ) , ( 9,8 ) \}$

Find the indicated function value. - $f ( x ) = x + 3 , g ( x ) = x - 4$ Find $( f + g ) ( - 5 )$ .

Find the indicated function value. - $\text { Find } f ( - 2 ) \text { when } f ( x ) = 5 x ^ { 2 } + 4 x + 1$

Find the domain and range. - $\{ ( - 4,13 ) , ( - 3,6 ) , ( 0 , - 3 ) , ( 3,6 ) , ( 5,22 ) \}$

Find the domain of the function. - $f ( x ) = x ^ { 2 } + 1$