UserNotFoundd UserNotFoundd 22-07-2021 Mathematics contestada PLEASE HELP!!!!!! Determine if the function f is an exponential function. If so, identify the base. If not, why not? f(x)= (-1/4)^x-3.141 A) This is not an exponential function because the base must be a positive value. B) This is a polynomial. C) The base is −4−1. D) The base is 3.141.