# Worksheet: Investigating Profits

In this worksheet, we will practice using functions and systems of equations to investigate the profits of a manufacturer.

**Q6: **

A laptop company has discovered that their cost and revenue functions for each day are and . Find the maximum and minimum number of laptops they could produce each day while still making a profit.

Hint: Your answers should be integers.

- Aminimum: 2 laptops, maximum: 20 laptops
- Bafter 51 computers
- Cminimum: 2 laptops, maximum: 21 laptops
- Dminimum: 1 laptop, maximum: 21 laptops