Reasoning a store sells packages of comic books with a poster. a poster and 8 comics cost $14.75. a poster and 17 comics cost $23.75. write a linear function rule that models the cost y of a package containing any number x of comic books. suppose another store sells a similar package, modeled by a linear function rule with an initial value $8.75. use a pencil and paper. explain which store has the better deal.