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. ${-1} \leq x \leq {3}$
B. All real numbers
C. $x \leq {2}$
D. $0 \leq x \leq {3}$
E. ${-1} \leq x \leq {2}$