We have the following function: f (x) = 3/8 (4) ^ x The function is of the form: f (x) = A (b) ^ x Where, A: initial amount b: growth factor (b> 1) x: time variable. Answer: f (x) = 3/8 (4) ^ x It is an exponential function of the form: f (x) = A (b) ^ x
