I WILL MARK AS BRAINLIEST!! Recycled CDs, Incorporated, offers a choice of 5 used CDs for $30, with each additional CD costing 56. Write a cost function for purchasing 5 or more CDs. What will the cost of buying 15 CDs be? Let x represent the number of
CDs over 5
C(x) = ?

(Type an expression using x as the variable.)
The total cost for 15 CDs is
(Type an integer or a decimal)