Respuesta :

Assuming it is .005y^2 + 10y not .005*y*2 + 10y

Profit = Revenue - Cost

Profit = (.005y^2 + 10y) - (20y + 1,000,000)

Profit at 30,000 cars so y = 30000

Profit = (.005(30000)^2 + 10(30000)) - (20(30000) + 1,000,000)

Profit = $3,200,000