Choose the answer that gives both the correct solution and the correct graph. O A. Solution: xs-4 or X2 4
-5 -4 -3 -2 -1 0
1
2
3 4 5
B. Solution: x2-4 and xs4
-5 -4 -3 -2 -1
O
1
2
3
4.
5
C. Solution: x < -4 or x 4
5
-5 -4 -3 -2 -1
0
1
N
3
4
O D. Solution: xs-4 or x24
-5 -4 -3 -2 -1 0
1
2.
3
4
5

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