Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 1 - Expressions, Equations, and Inequalities - 1-2 Properties of Real Numbers - Practice and Problem-Solving Exercises - Page 17: 73



Work Step by Step

We can use the process of elimination. F doesn't work because 300 is already 40 dollars and the cost is steadily increasing based on the minutes. G doesn't work because 100 minutes costs 20 dollars, not 10. We can see this on the graph. Finally, I doesn't work because 200 minutes equals 30 dollars, not 35. We can also see this on the graph. This leaves H, which is the answer.
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