Which of the following is not the rule for a function?

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Which of the following is not the rule for a function?

E

Editor

Sep 18, 2022

Which of the following is not the rule for a function?

Difficulty: Easy

A:

f(x)=4 \pm3x

B:

f(x)=\sqrt{-x}

C:

f(x)=\sqrt{x}

D:

f(x)=5

ID: 63273db8ca83163ac3a10557