Decide whether the relation defines a function.
-$x = y ^ { 4 }$
A) Not a function
B) Function

Name: Decide whether the relation defines a function. -$x = y ^ { 4 }$ A) Not a function B) Function
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Question

Quizplus · Accepted Answer

For a relation to be a function, each input must map to exactly one output. In the equation $x = y^4$, a single value of $x$ can correspond to multiple values of $y$ (e.g., both positive and negative roots), so it is not a function.

Decide Whether the Relation Defines a Function x=y4x = y ^ { 4 }x=y4

Decide Whether the Relation Defines a Function $x = y ^ { 4 }$