15. You want to rent a dune buggy for some weekend fun. The rental company employee says it's a flat fee of $72 to rent the dune buggy and an additional $24 per day used. Also, you may only keep the dune buggy for a maximum of 32 days. What is the domain of the function? O positive real numbers O all real numbers between 0 and 32 O all real numbers between 24 and 840 all real numbers