Question

The value of a tractor decreases over time and is given by

V(t) = 75,000 − 7,500t,
where
V(t)
is the value in dollars of the tractor after t years. Find the value (in dollars) of the tractor after 4 years.

Answer 1

V(4) = 75,000 - 7,500(4)
V(4) = 75,000 - 30,000
V(4) = $45,000