What are the domain and range of h(x) = 3|x|?
A. domain: all real numbers; range: y ≤ 0
B. domain: x ≥ 0; range: all real numbers
C. domain: x ≤ 0; range: all real numbers
D. domain: all real numbers; range: y ≥ 0
![What are the domain and range of hx 3x A domain all real numbers range y 0 B domain x 0 range all real numbers C domain x 0 range all real numbers D domain all class=](https://us-static.z-dn.net/files/da5/ca5a079a53359511184cdf685406dc0e.jpeg)