What two integers would 4.89 fall between?

How to determine whether two known pairs of points are on the same line.

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

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)