Functions Quiz

What is the definition of function?

• Has inputs and outputs

• Inputs have different outputs every time

• Every input has only ONE output

• x-values and y-values

Does the table represent a function?

• Yes, there  is a repeated x-value. 

• No, there aren't any repeated y-values. 

• Yes, there are repeated y-values. 

• No, there is a repeated x-value. 

Is this graph a function or not a function? 

• Function

• Not a Function

Which graph does NOT pass the vertical line test?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)

• (6,-5) (7, -3) (8, -1) (9, 1)

• 
  (3,4) (4,-3) (7,4) (3, 8)

• (2, -2) (5, 9) (5, -7) (1, 4)

The following is not a function because...

• There are two values that equal 2.

• In the f(x) column, the 5 repeats.

• 
  x = 10 and x = 40 has two values each.

• This table is actually a function.

Which of the following is a function?

• 
• 
• 
• 

Select all order pairs that are a solution for the function y=-4x+8

• ( -4 , 8 )

• ( 2 , 0 )

• ( 5 , 9 )

• ( 7 , -20 )

Select all ordered pairs that are a solution of the function y=7x+1.

• ( -6 , -41 )

• ( -6 , -34 )

• ( 7 , 43 )

• ( -5 , -34 )

Three boats are traveling according to the following representations. Look at each of the representations to determine the speed of each boat. List from greatest to least.

• Boat A, Boat B, Boat C

• Boat C, Boat B, Boat A

• Boat B, Boat A, Boat C

• Boat B, Boat C, Boat A