itzmecristina itzmecristina 18-04-2021 Mathematics contestada 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 Help! plss