Automobiles Built Before 1993 Use Freon in Their Air Conditioners

Automobiles built before 1993 use Freon in their air conditioners. The federal government now prohibits the manufacture of Freon. Because the supply of Freon is decreasing, the price per pound is increasing exponentially. Current estimates put the formula for the price per pound of Freon at where t is the number of years since 1990. Find the price of Freon in 1990. Please round your answer to the nearest cent. $__________ per pound Find the price of Freon in 1998. Please round your answer to the nearest cent. $__________ per pound How much will Freon cost in the year 2007?. Please round your answer to the nearest cent. $__________ per pound