Which statement(s) describe the end behavior f(x) = ax⁶ + bx³ + c ? Choose all that apply.

A. As x –> ∞, f(x) –> ∞
B. As x –> ∞, f(x) –> –∞
C. As x –> –∞, f(x) –> ∞
D. As x –> –∞, f(x) –> –∞