quadrator

What is the domain of the function given below?

xyO-7-6-5-4-3-2-11234567-7-6-5-4-3-2-11234567891011

A. $0 \leq x \leq {5}$
B. ${-3} \leq x \leq {8}$
C. All real numbers
D. $x \leq {8}$
E. ${-3} \leq x \leq {5}$