7. Which of the following are exponential functions? Select all that apply. Which of the following are exponential functions? Select all that apply. f(x) = x5 f(x) = 1x f(x) = 0.8 x + 3 f(x) = (-13)x f(x) = (7/5) x f(x) = pi 4x f(x) = -(13)x f(x) = 3 4x + 1 Solution All are exponential functions except f(x)= x^5 .