A square cement parking lot is being converted to a rose garden. Each side of the lot is 75 meters long. The plan is to reduce the side lengths of the lot by 3 meters each year to plant flower beds. Which function can be used to calculate the area of the cement parking lot, A , after t years? dis make no senssw pleae in need answer

A.75^2−3t
B.(75−3t)^2
C.75^2−(3t)^2
D.75−(3t)^2