Mathematics

6 April, 09:29

Jeremy has an $8 gift card to use to buy comic books. Each comic book costs $5.25. The function f (x) = 5.25x-8 represents the amount of cash required to purchase x comic books after using his gift card. How much cash does Jeremy need to buy 3 comic books?

A

$7.75

B

$8.25

C

$10.50

D

$15.75

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