A company has determined that its prodor for a product can be described by linear function. The profit from the production and sales of the 150 units is $455, and the profit from 250 units is $895 1. What is the average rate of change of the profit for the product when between 150 and 250 units are sold? 2. Write the equation of the profit function for this product? 3. How many units give break-even for this product