Which functions have a range of {y ∈ all real numbers | -[infinity] < y < [infinity]}?

A. f(x) = -(x + 1)² - 4
B. f(x) = -4x + 11
C. f(x) = 2/3x - 8
D. f(x) = 2ˣ + 3
E. f(x) = x² + 7x - 9