Question

A customer has $10 to insert into a jukebox that plays songs for

$1 each. When a represents whole numbers less than 10, the

function f (x) = 10 - a represents the amount of money remaining

after a songs are played on the jukebox.

What is the value of f (7), in dollars and cents?

$

Answer 1

it’s 3 because 10-7=3