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
Report issue
ID: 63273db8ca83163ac3a10557