Decide whether the relation defines a function.
-$y = \sqrt { 7 x - 4 }$
A) Function
B) Not a function

Name: Decide whether the relation defines a function. -$y = \sqrt { 7 x - 4 }$ A) Function B) Not a function
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Question

Quizplus · Accepted Answer

For each value of $x$ that makes the expression under the square root non-negative ($7x - 4 \geq 0$), there is exactly one corresponding value of $y$, thus defining a function.

Decide Whether the Relation Defines a Function y=7x−4y = \sqrt { 7 x - 4 }y=7x−4​

Decide Whether the Relation Defines a Function $y = \sqrt { 7 x - 4 }$