When some software companies develop software, they do it was "planned obsolescence" in mind. This means that they plan on the sale of the software to rise, hit a point of maximum sales, then drop and eventually stop when they release a
newer version of the software Suppose a graph of the curve showing the number of sales over time can be modeled with a
parabola and that the company plans on the life span of its product to be 6 months, with maximum sales reaching 1.5 million
units Sleetch a graph and write an equation that models this situation