works at The Buckle. He gets paid $8.50 an hour and works 8 hours a day. He also cams 10.5€ commission on all items he sells. Which function describes how much he earns each day? a. f(x) = 10.5 + 8.5x b. f(x) = 68 + 10.5 c. f(x) = 68 + 0.105x d. f(x) = 8.5 + 0.105x e. f(x) = 8.5 + 10.5x

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books