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Math
Algebra 1
Linear Equations and Functions
Functions and Relations
When Is a Relation a Function?

Practice problem

When Is a Relation a Function?

By EElise Molinaro

+3 contributors

Contributors

Elise Molinaro
Victor Wang
Alex Federspiel
Trisha

Input to Output
5 to 1
6 to 4
7 to 3
8 to 2 — By Elise Molinaro

State the input and output values of the function represented above.

Choose all correct answers

Option A: A

$x: 1, 2, 3, 4$

Option B: B

$x: 5, 6, 7, 8$

Option C: C

$y: 1, 2, 3 ,4$

Option D: D

$y: 5, 6, 7, 8$

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