Input and Output

Which set of values is a function?

• (6, 5) (7, 3) (8, 1) (9, 1)

• (2, 2) (5, 9) (5, 7) (1, 4)

• (9, 5) (5, 5) (9, 6) (8, 5)

• (3, 4) (4, 3) (7, 4) (3, 8)

Does this table represent a function?

• Yes

• No

What is the definition of function?

• Has inputs and outputs

• Each input has only ONE output

• Inputs have multiple outputs

• x-values and y-values

If my function rule is x÷3, what is the OUTPUT if the input is 12?

• 9

• 4

• 3

• 36

If my function rule is x - 4, what is my INPUT if the output is 7?

• 11

• 10

• 3

• 7

If my function rule is 5x, what is my INPUT if the output is 10?

• 1

• 50

• 2

• 15

If my function rule is x + 9, what is my INPUT if the output is 17?

• 8

• 6

• 26

• 16

Is this set of ordered pairs a function or not a function? 

• Function

• Not a Function 

Which set of values 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) (9, 1)

• (2, -2) (5, 9) (5, -7) (1, 4)

Who has the greater rate of change?

• Tyler has the greater rate of change with 2/3

• Aubri has the greater rate of change with 3/2

• Tyler has the greater rate of change with 3/2

• They have the same rate of change.