Let x=−1. Evaluate the function for y. y=7.2x+3
Enter your answers in the boxes.

y = 7.2 ⋅(___) + 3

y = __ + 3

y =

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