destinyparedes86 destinyparedes86 08-06-2021 Mathematics contestada A bookstore charges $4 for all children's books. Elijah graphs the function that gives the total cost, y, in dollars to buy x number of books. Which ordered pair is a point on the graph of the function? A) (2,8) B) (4,12) C) (9,18) D) (20,5)