WILL GIVE BRAINLIEST!!! Exponential function f is represented by the equation.

f(x) = 80(0.5)x − 4

Function g is an exponential function passing through the points (1,15) and (4,1).

Which statement correctly compares the two functions on the interval [1, 4]?

A) Both functions are positive on the interval, but one function is increasing while the other is decreasing.
B) Both functions are positive and decreasing on the interval.
C) Both functions are positive and increasing on the interval.
D) One function is positive on the interval, while the other is negative.