Decide whether the relation defines a function.
-{(-8, 2), (-8, 8), (1, -9), (6, 3), (7, 5)}
A) Function
B) Not a function

Name: Decide whether the relation defines a function. -{(-8, 2), (-8, 8), (1, -9), (6, 3), (7, 5)} A) Function B) Not a function
Brand: Quizplus
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Question

Quizplus · Accepted Answer

A relation is a function if each input (x-value) maps to exactly one output (y-value). Here, the input -8 maps to two different outputs (2 and 8), so it does not define a function.

Decide Whether the Relation Defines a Function