Question

the function P(m)below relates the amount of time (measured in minutes).
Jane spent on her homework and the number of problems completed.
it takes as input of the minutes worked and returns as output the number of problems completed.
P(m)=m/5+8
which equation below represents the inverse function M(p), which takes the number of problems completed as input and returns the number of minutes worked?

A. M(p)=40p+5

B. M(p)=40p-5

C. M(p)=5p+40

D. M(p)=5p-40