For the Function $f(x)=\sqrt{x-3}$ , Find All Values $x$ For Which $f(x)=4$
A) 7
B) 13
C) 49
D) 19

For the function $f(x) =\sqrt{x-3}$ , find all values $x$ for which $f(x) =4$ .

A) 7
B) 13
C) 49
D) 19