(-1, -2), m = -1 Y. y = -7.5x + 46
L. y + 2 = -(x + 1)
E. y - 6 = 4(x - 5)
H. S(x) = -0.5x - 1
S. y = 0.75x + 4
P. f(x) = -5x + 12

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