Question 1

Rewrite the given equation in slope-intercept form by solving for y.
-$$8 x + 7 y = 0$$

Accepted Answer

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

Question 2

Solve the problem.
-A firm is considering a new product. The accounting department estimates that the total cost, C(x), of producing x units will be C(x) = 50x + 9010. The sales department estimates that the revenue, R(x), from selling x units will be R(x) = 60x, but that no more than 488 units can be sold at that price. Find and interpret (R -C)(488).

Accepted Answer

A)  -$4130 loss, cost exceeds income 
B)  $1389 profit, income exceeds cost It's not worth it to develop product. It is worth it to develop product. 
C)  $62,690 profit, income exceeds cost 
D)  $4130 profit, income exceeds cost It is worth it to develop product. It is worth it to develop product. 
A)  -$4130 loss, cost exceeds income 
B)  $1389 profit, income exceeds cost It's not worth it to develop product. It is worth it to develop product. 
C)  $62,690 profit, income exceeds cost 
D)  $4130 profit, income exceeds cost It is worth it to develop product. It is worth it to develop product.

Question 3

Decide whether the relation is a function.
-{(-3, 5), (1, 2), (6, -4), (8, 3), (10, 7)}

Accepted Answer

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

Question 4

Find the domain and range.
-{(-2,-1), (-8,-7), (12,-2), (8,6)}

Accepted Answer

A)  domain = {8, -8, -2, 12}; range = {6, 6, -7, -1, -2} 
B)  domain = {8, -8, -2, 12}; range = {6, 1, -7, -1, -2} 
C)  domain = {6, -7, -1, -2}; range = {8, -8, -2, 12} 
D)  domain = {8, -8, -2, 12}; range = {6, -7, -1, -2} 
A)  domain = {8, -8, -2, 12}; range = {6, 6, -7, -1, -2} 
B)  domain = {8, -8, -2, 12}; range = {6, 1, -7, -1, -2} 
C)  domain = {6, -7, -1, -2}; range = {8, -8, -2, 12} 
D)  domain = {8, -8, -2, 12}; range = {6, -7, -1, -2}

Question 5

Decide whether the relation is a function.
-

Accepted Answer

A)  $g$ shifts the graph of $f$ vertically
down 2 units
  
B)  $g$ shifts the graph of $\mathrm { f }$ vertically
 up 2 units
  
C)  g shifts the graph of $f$ vertically
down 2 units
  
D)  $g$ shifts the graph of $f$ vertically 
 up 2 units
  
A)  $g$ shifts the graph of $f$ vertically
down 2 units
  
B)  $g$ shifts the graph of $\mathrm { f }$ vertically
 up 2 units
  
C)  g shifts the graph of $f$ vertically
down 2 units
  
D)  $g$ shifts the graph of $f$ vertically 
 up 2 units

Question 6

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

Accepted Answer

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

Question 7

Find the domain of the function.
-$$f ( x ) = x ^ { 2 } + 8$$

Accepted Answer

A)  $[ - 8 , \infty )$ 
B)  $( \infty , - 8 )$ or $( - 8 , \infty )$ 
C)  $( - 8 , \infty )$ 
D)  $( \infty , \infty )$ 
A)  $[ - 8 , \infty )$ 
B)  $( \infty , - 8 )$ or $( - 8 , \infty )$ 
C)  $( - 8 , \infty )$ 
D)  $( \infty , \infty )$

Question 8

Find the domain and range.
-{(-4,4), (3,-5), (-6,-3), (-6,-4)}

Accepted Answer

A)  domain = {-3, 4, -5, -4}; range = {-6, -4, 3} 
B)  domain = {-6, -4, 3}; range = {-3, 4, -5, -4} 
C)  domain = {-6, -4, 3, -16}; range = {-3, 4, -5, -4} 
D)  domain = {-6, -4, 3, 6}; range = {-3, 4, -5, -4} 
A)  domain = {-3, 4, -5, -4}; range = {-6, -4, 3} 
B)  domain = {-6, -4, 3}; range = {-3, 4, -5, -4} 
C)  domain = {-6, -4, 3, -16}; range = {-3, 4, -5, -4} 
D)  domain = {-6, -4, 3, 6}; range = {-3, 4, -5, -4}

Question 9

Find the indicated function value.
-$$f ( x ) = 4 x ^ { 2 } - 4 , g ( x ) = 2 x ^ { 2 } - 2$$
Find $( f + g ) ( 5 )$.

Accepted Answer

A)  148 
B)  48 
C)  144 
D)  104 
A)  148 
B)  48 
C)  144 
D)  104

Question 10

Find the slope of the line that goes through the given points.
-$( 4,1 ) , ( - 6,1 )$

Accepted Answer

A)  0 
B)  Undefined 
C)  $- \frac { 1 } { 5 }$ 
D)  $- 1$ 
A)  0 
B)  Undefined 
C)  $- \frac { 1 } { 5 }$ 
D)  $- 1$

Question 11

Decide whether the relation is a function.
-{(-8, 9), (-4, 3), (-2, -9), (4, 7)}

Accepted Answer

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

Question 12

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 13

Use the graph to identify domain and range.
-

Accepted Answer

A)  domain: $[ 0,8 ]$
range: $( \infty , \infty )$ 
B)  domain: $( \infty , \infty )$
 range: $[ 0,8 ]$ 
C)  domain: $[ 3,8 ]$
range: $( \infty , \infty )$ 
D)  domain: $( \infty , \infty )$
range: $[ 3,8 ]$ 
A)  domain: $[ 0,8 ]$
range: $( \infty , \infty )$ 
B)  domain: $( \infty , \infty )$
 range: $[ 0,8 ]$ 
C)  domain: $[ 3,8 ]$
range: $( \infty , \infty )$ 
D)  domain: $( \infty , \infty )$
range: $[ 3,8 ]$

Question 14

Decide whether the relation is a function.
-Find g(a - 1) when g(x) = 4x - 4.

Accepted Answer

A)  4a - 4 
B)  4a 
C)  4a - 8 
D)  4a - 12 
A)  4a - 4 
B)  4a 
C)  4a - 8 
D)  4a - 12

Question 15

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 16

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 represents the function, find f(2010).

Accepted Answer

A)  approximately 31% 
B)  approximately 25.5% 
C)  approximately 24% 
D)  approximately 29% 
A)  approximately 31% 
B)  approximately 25.5% 
C)  approximately 24% 
D)  approximately 29%

Question 17

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) = 20%, what year is represented by x?

Accepted Answer

A)  2000 
B)  1985 
C)  1995 
D)  1990 
A)  2000 
B)  1985 
C)  1995 
D)  1990

Question 18

Find the slope of the line that goes through the given points.
-

Accepted Answer

A)  -1 
B)  -9 
C)  0 
D)  undefined 
A)  -1 
B)  -9 
C)  0 
D)  undefined

Question 19

Graph the equation in the rectangular coordinate system.
-

Accepted Answer

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

Question 20

Use the graph to find the value.  
-$( \mathrm { fg } ) ( 7 )$

Accepted Answer

A)  $- 6$ 
B)  6 
C)  $- 9$ 
D)  9 
A)  $- 6$ 
B)  6 
C)  $- 9$ 
D)  9

Rewrite the given equation in slope-intercept form by solving for y. - $8 x + 7 y = 0$

Decide whether the relation is a function. -{(-3, 5), (1, 2), (6, -4), (8, 3), (10, 7)}

Find the domain and range. -{(-2,-1), (-8,-7), (12,-2), (8,6)}

Decide whether the relation is a function. -

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

Find the domain of the function. - $f ( x ) = x ^ { 2 } + 8$

Find the domain and range. -{(-4,4), (3,-5), (-6,-3), (-6,-4)}

Find the indicated function value. - $f ( x ) = 4 x ^ { 2 } - 4 , g ( x ) = 2 x ^ { 2 } - 2$ Find $( f + g ) ( 5 )$ .

Find the slope of the line that goes through the given points. - $( 4,1 ) , ( - 6,1 )$

Decide whether the relation is a function. -{(-8, 9), (-4, 3), (-2, -9), (4, 7)}

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

Use the graph to identify domain and range. -

Decide whether the relation is a function. -Find g(a - 1) when g(x) = 4x - 4.

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

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 represents the function, find f(2010).

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) = 20%, what year is represented by x?

Find the slope of the line that goes through the given points. -

Graph the equation in the rectangular coordinate system. -

Use the graph to find the value. $Use the graph to find the value. - ( \mathrm { fg } ) ( 7 )$ - $( \mathrm { fg } ) ( 7 )$

Algebra, Mathematical Models, and Problem Solving

Systems of Linear Equations

Inequalities and Problem Solving

Polynomials, Polynomial Functions, and Factoring

Rational Expressions, Functions, and Equations

Radicals, Radical Functions, and Rational Exponents

Quadratic Equations and Functions

Filters

Exam 2: Functions and Linear Functions

Rewrite the given equation in slope-intercept form by solving for y. - 8x+7y=08 x + 7 y = 08x+7y=0

Decide whether the relation is a function. -{(-3, 5), (1, 2), (6, -4), (8, 3), (10, 7)}

Find the domain and range. -{(-2,-1), (-8,-7), (12,-2), (8,6)}

Decide whether the relation is a function. -

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

Find the domain of the function. - f(x)=x2+8f ( x ) = x ^ { 2 } + 8f(x)=x2+8

Find the domain and range. -{(-4,4), (3,-5), (-6,-3), (-6,-4)}

Find the indicated function value. - f(x)=4x2−4,g(x)=2x2−2f ( x ) = 4 x ^ { 2 } - 4 , g ( x ) = 2 x ^ { 2 } - 2f(x)=4x2−4,g(x)=2x2−2 Find (f+g)(5)( f + g ) ( 5 )(f+g)(5) .

Find the slope of the line that goes through the given points. - (4,1),(−6,1)( 4,1 ) , ( - 6,1 )(4,1),(−6,1)

Decide whether the relation is a function. -{(-8, 9), (-4, 3), (-2, -9), (4, 7)}

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

Use the graph to identify domain and range. -

Decide whether the relation is a function. -Find g(a - 1) when g(x) = 4x - 4.

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

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 represents the function, find f(2010).

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) = 20%, what year is represented by x?

Find the slope of the line that goes through the given points. -

Graph the equation in the rectangular coordinate system. -

Use the graph to find the value. - (fg)(7)( \mathrm { fg } ) ( 7 )(fg)(7)

Algebra, Mathematical Models, and Problem Solving

Systems of Linear Equations

Inequalities and Problem Solving

Polynomials, Polynomial Functions, and Factoring

Rational Expressions, Functions, and Equations

Radicals, Radical Functions, and Rational Exponents

Quadratic Equations and Functions

Filters

Rewrite the given equation in slope-intercept form by solving for y. - $8 x + 7 y = 0$

Find the domain of the function. - $f ( x ) = x ^ { 2 } + 8$

Find the indicated function value. - $f ( x ) = 4 x ^ { 2 } - 4 , g ( x ) = 2 x ^ { 2 } - 2$ Find $( f + g ) ( 5 )$ .

Find the slope of the line that goes through the given points. - $( 4,1 ) , ( - 6,1 )$

Use the graph to find the value. $Use the graph to find the value. - ( \mathrm { fg } ) ( 7 )$ - $( \mathrm { fg } ) ( 7 )$