### Home > INT3 > Chapter Ch2 > Lesson 2.3.1 > Problem 2-139

2-139.

The amount of profit each day made by Math Starz, a company that sells math game apps, can be modeled by the equation , where

*is the sales price of an app in dollars. Their competitor, Comet Math has a different model for sales price and profits given by the table below. 2-139 HW eTool (Desmos). Homework Help ✎*

Sales price ($) | 2.00 | 4.00 | 6.00 | 8.00 | 10.00 | 13.00 | 15.00 |

Daily profit ($) | 7.00 | 17.00 | 23.00 | 25.00 | 23.00 | 12.50 | 0.50 |

What is the maximum profit the models predict for each company? Which company can sell their apps for less to make the maximum profit?

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