maria had $150 in gift certificates to use in a record store. she bought fewer than 20 recordings. each tape cost $5.95 and each cd cost $8.95. how many of each type of recordings might she have brought

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons