Free math printable
Is It a Function?
For grades 7–10. Students check whether each input has only one output.
Is It a Function?
One input can have only one output.RICH NERDS
FREE RESOURCE
FREE RESOURCE
Name:
Date:
Directions: Decide whether each relation is a function. Circle YES or NO. Then explain any “no” answer.
1. {(1, 4), (2, 6), (3, 8), (4, 10)} YES / NO
2. {(2, 5), (2, 7), (4, 9), (6, 11)} YES / NO
3.
Input: −1, 0, 1, 2
Output: 3, 3, 4, 5
YES / NO
4.
Input: 5, 6, 5, 7
Output: 1, 2, 3, 4
YES / NO
5. Finish the sentence: A relation is not a function when…