Question 1

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

   		Function
   		Not a function

4 points

Question 2

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

4 points

Question 3

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

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

4 points

Question 4

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
   		3.5sec
   		1.58sec
   		2.5sec

4 points

Question 5

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

4 points

Question 6

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

   		{x|x-7,7}
   		all real numbers
   		{x|x0}
   		{x|x>49}

4 points

Question 7

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

   		Function
   		Not a function

4 points

Question 8

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

   		3x2+3h2-4x -4h -3
   		3x2+3h2+2x +2h -3
   		3x2+3xh +3h2-4x -4h -3
   		3x2+6xh +3h2-4x -4h -3

4 points

Question 9

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

   		5x2-5x -6
   		5x2-5x +4
   		5x2-25x +4
   		-5x2+5x -6

4 points

Question 10

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 11

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

   		{x|x-8, 0,8}
   		{x|x0}
   		all real numbers
   		{x|x2}

4 points

Question 12

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

   		Function
   		Not a function

4 points

Question 13

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

4 points

Question 14

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

   		domain: {-2,-1,1,3}; range: {19,4,3,12}
   		domain: {19,4,3,12}; range: {-2,-1,1,3}
   		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 15

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

4 points

Question 16

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

   		{x|x23}
   		{x|x23}
   		{x|x}
   		{x|x}

4 points

Question 17

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 18

1. Find the domain of the function.

   		all real numbers
   		{x|x6}
   		{x|x6}
   		{x|x>6}

4 points

Question 19

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

4 points

Question 20

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

   		Not a function
   		Function

4 points

Question 21

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.

   		-76F
   		-40F
   		-112F
   		-4F

4 points

Question 22

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 23

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

   		2

4 points

Question 24

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 25

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

   		Function
   		Not a function

4 points

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