And why please.
Which of the following are exponential functions? Select all that apply. f(x) = −(4)* f (x) = x6 f(x) = 1x f (x) = п6x f (x) = 23x+1 = (²) * ƒ (x) = (-4)* f(x) = 0.8x+2 f(x) =