Quizizz: 3-1 & 3-2 Functions Review

What is the value of w(x) = 3x - 7 if x = 6?

• 11

• 2

• 29

• 25

Function or not a function?

• Function because all of the x-values are different

• Not a function because two of the x-values repeat

• Function because two of the x-values repeat

• Not a function because all the x-values are different

Given f(x) = -4x - 10, f(10).

• f(10) = -30

• f(10) = 50

• f(10) = -50

• f(10) = 30

You can identify a function from a graph by using the ___________________.

• Horizontal Line Test

• Line Test

• Vertical Line Test

• Diagonal Line Test

• Function because it passes the vertical line test

• Not a function because it does not pass the vertical line test

• Function because it passes the horizontal line test

• Not a function because it does not pass the line test

Function or not a function?

• Function because no x-values repeat

• Not a function because some x-values repeat

• Cannot be determined

Which of the following relations is a function?

• {(9,5) (10,5) (9,-5) (10,-5)}

• {(3,4) (4,-3) (7,4) (3, 8)}

• {(6,-5) (7, -3) (8, -1) (-7, 1)}

• {(2, -2) (5, 9) (5, -7) (1, 4)}

Is this graph a function or not a function?

• Function because it passes the vertical line test

• Not a function because it does not pass the vertical line test

• Cannot be determined

If g(x) = 11 - x, find g(-7).

• 4

• 17

• 18

• -77

What is the domain of the relation?

• {-2, -1, 0, 1, 8}

• {3, 5, 7 , 9, 0}

• {-2, -1, 0, 1, 3, 5, 7, 8, 9}

• {-2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9}