Question

The city library is having a book sale to make room for the new books it purchased. The graph shows the cost, y, in dollars, to

purchase x books at the sale.
YA
Library Book Sale
+-10

Answer 1

Explanation:

Answer 2

The

cost of the books

depends on the

(number of books purchased)

.

At the sale, each book costs $

(0.50)

.

Explanation: