For the given function determine the domain of the inverse function then find an equation for the inverse function and graph it interpret the meaning of the inverse function

the label on a gallon of paint says that it will cover from 250 ft.² to 450 ft.² depending on the surface that is being painted a painter has 12 gallons of paint on hand the equation a equals 12 c gives the area a in square feet that the 12 gallons of paint will cover if apply to the coverage rate see in square feet per gallon