QUESTION 1

1. Find the value for the function. Find f(x-1) when f(x)=5x²+5x -6.

   5x²-25x +4

   -5x²+5x -6

   5x²-5x +4

   5x²-5x -6

4 points

QUESTION 2

1. Find the value for the function. Find f(-x) when f(x)=2x²-2x -4.

   2x²+2x -4

   -2x²+2x -4

   2x²+2x +4

   -2x²+2x +4

4 points

QUESTION 3

1. Find the value for the function. Find f(x+1) when f(x)=.

4 points

QUESTION 4

1. Find the value for the function. Find-f(x) when f(x)=|x| +9.

   -|x| +9

   |-x| -9

   -|x| -9

   |-x| +9

4 points

QUESTION 5

1. Determine whether the relation is a function. {(-7,-1), (-3,-6), (-2,-7), (2,-2)}

   Function

   Not a function

4 points

QUESTION 6

1. Find the value for the function. Find-f(x) when f(x)=2x²+5x +2.

   -2x²-5x -2

   2x²-5x +2

   -2x²-5x +2

   2x²-5x -2

4 points

QUESTION 7

1. Find the value for the function. Find f(2x) when f(x)=.

   2

4 points

QUESTION 8

1. Determine whether the relation is a function. {(-6,6), (-1,2), (2,-3), (5,5)}

   Function

   Not a function

4 points

QUESTION 9

1. Find the domain of the function. g(x)=

   {x|x>49}

   {x|x-7,7}

   {x|x0}

   all real numbers

4 points

QUESTION 10

1. Determine whether the relation is a function. {(-4,-1), (-3,7), (2,-8), (2,-9)}

   Function

   Not a function

4 points

QUESTION 11

1. Solve the problem. The function F described by F(C)=C+32 gives the Fahrenheit temperature corresponding to the Celsius temperature C. Find the Fahrenheit temperature equivalent to -20C.

   -4F

   -76F

   -40F

   -112F

4 points

QUESTION 12

1. Give the domain and range of the relation. {(5,-6), (5,5), (-7,7), (3,-5), (-5,-8)}

   domain={3,14,-7,-5,5}; range={-5,7,-8,5,-6}

   domain={-5,7,-8,5,-6}; range={3,3,-7,-5,5}

   domain={3,-7,-5,5}; range={-5,7,-8,5,-6}

   domain={3,-4,-7,-5,5}; range={-5,7,-8,5,-6}

4 points

QUESTION 13

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

4 points

QUESTION 14

1. Find the domain of the function. f(x)=

   {x|x23}

   {x|x23}

   {x|x}

   {x|x}

4 points

QUESTION 15

1. Find the domain of the function. h(x)=

   {x|x0}

   {x|x2}

   all real numbers

   {x|x-8, 0,8}

4 points

QUESTION 16

1. Determine whether the relation is a function. {(-5,4), (-2,9), (4,8), (5,2)}

   Function

   Not a function

4 points

QUESTION 17

1. Solve the problem. If a rock falls from a height of60meters on Earth, the height H (in meters) after x seconds is approximately H(x)=60-4.9x². When does the rock strike the ground? Round to the nearest hundredth, if necessary.

   12.24sec

   2.5sec

   1.58sec

   3.5sec

4 points

QUESTION 18

1. Find the value for the function. Find f(x+h) when f(x)=3x²-4x -3.

   3x²+3h²+2x +2h -3

   3x²+6xh +3h²-4x -4h -3

   3x²+3h²-4x -4h -3

   3x²+3xh +3h²-4x -4h -3

4 points

QUESTION 19

1. Give the domain and range of the relation. {(6,-5), (3,2), (4,6), (-1,3), (-4,9)}

   domain={4,6,-1,3,3}; range={2,6,-5,-4,9}

   domain={2,6,-5,-4,9}; range={4,6,-1,3,3}

   domain={6,3,2,-5,9}; range={4,-1,3,6,-4}

   domain={4,-1,3,6,-4}; range={6,3,2,-5,9}

4 points

QUESTION 20

1. Find the domain of the function.

   {x|x6}

   {x|x6}

   all real numbers

   {x|x>6}

4 points

QUESTION 21

1. Determine whether the relation is a function. {(-9,2), (-9,5), (2,7), (4,-1), (9,4)}

   Not a function

   Function

4 points

QUESTION 22

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

4 points

QUESTION 23

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

   Not a function

   Function

4 points

QUESTION 24

1. Give the domain and range of the relation. {(19,-2), (3,-1), (3, 0), (4,1), (12,3)}

   domain: {19,4,3,12}; range: {-2,-1,1,3}

   domain: {-2,-1,1,3}; range: {19,4,3,12}

   domain: {-2,-1, 0,1,3}; range: {19,4,3,12}

   domain: {19,4,3,12}; range: {-2,-1, 0,1,3}

4 points

QUESTION 25

1. Give the domain and range of the relation. {(-2,6), (-1,3), (0,2), (1,3), (3,11)}

   domain: {-2,-1,1,3}; range: {6,3,2,11}

   domain: {6,3,2,11}; range: {-2,-1, 0,1,3}

   domain: {6,3,2,11}; range: {-2,-1,1,3}

   domain: {-2,-1, 0,1,3}; range: {6,3,2,11}