Is a Function

Which of the tables represents a function?

• Table A

• Table B

• Both Tables A & B represent functions

• Neither table represents a function

Tell me about this table (choose 2):

• It represents a function

• It does NOT represent a function

• Because the x-values repeat

• Because the x-values do NOT repeat

Which of the following represents a function?

• {(1,2), (1,3), (1,4), (1,5)}

• {(1,2), (2,3), (3,4), (4,5)}

• {(1,2), (3,4), (3,5), (6,7)}

• {(1,2), (3,4), (5,6), (5,8)}

Is this table a function or not a function? 

• Function

• Not a Function

NOT A FUNCTION MEANS X REPEATS

• F

• G

• H

• J

Q1. What is the output of the following code?

• A) Function

• B) Not a Function

Is it a function?

• Yes

• No

Why is this a function?

• Function because each input has only one output

• Function because an input has more than one output

What would you put in the second blank box to keep this a function?

• 0

• 1

• 2

• 3

HINT: X CAN NOT REPEAT TO BE A FUNCTION

• F

• G

• H

• J