Question

for which values of x is the function f(x)=4x/(x-3)^2 not defined? select all that apply.

-4

5

-5

-11

Answer 1

$f(x)=\dfrac{4x}{(x-3)^2}\\\\(x-3)^2\neq0\to x-3\neq0\to x\neq3\\\\Answer:\boxed{3}$