Margo is a mechanic. She charges a $20 service fee and a labor charge of
$35 per hour. This is represented by the function f(x) = 35x+20. What does
the x represent in this equation?

Margo is a mechanic She charges a 20 service fee and a labor charge of 35 per hour This is represented by the function fx 35x20 What does the x represent in thi class=