The engine life for a certain brand of lawn mower is modeled by the function f (h) = 50 - (1/3) h where h represents hours used what does this unction mean

We are given the function

f (h) = 50 - (1/3) h

This function means that the initial life of the lawn mover is

50 years

with every year, the engine life of the mower is reduced by 1/3 of the time that has passed