Functions Graph Input

Use the graph attached. If the input is 1, what is your output?

• x = 5

• y = 5

• x = 0

• y = 0

Use the graph. If you output is -1, what's your input?

• y = -1

• x = -4

• x = -1

• y = -4

Use the graph. If your input is 0, what's your output?

• y = 5

• x = 2

• x = 5

• y = 2

Is this mapping a function or not a function? 

• Function

• Not a Function

• A

• B

• C

• D

• A

• B

• C

• D

Answer explanation

Remember to use your pencil to test this. It can't go through more than one point on the pencil when it is vertical (up and down).

• F

• G

• H

• J

Is this mapping a function or not a function? 

• Function

• Not a Function 

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

• Horizontal Line Test

• Eye Test

• Vertical Line Test

• Diagonal Line Test

Which graph does NOT pass the vertical line test?

• Graph 1

• Graph 2

• Graph 3

• Graph 4