A photo processing lab lists the following prices to reprints: $.32 for a 3x5 print; $.45 for a 4x6 print; and $.75 for a 5x7 print. a) Find a quadratic function that models the cost per print in terms of the smaller dimension of the print size.

b) Using this model, find the approximate price of a 7x9 print.

Juanita wade's new car has an msrp of $28,902.11 including title and processing fees. the premier package which includes surround sound and dvd player costs three times the amount of the in-style package which includes leather seats and select wheels. the total cost of her new car was $34,290.08 which included the 6.5% sales tax. find the cost of the premier package to the nearest cent.