Problem+9

M = 2.4 sin(0.524x - 0.942) + 3.3, ** **where x is the month of the year.** 1. What are the highest and lowest levels of sales? 2. What is the average? 3. During which month are sales highest? lowest? 4. How long is the cycle?
 * The sale of a particular brand of soccer shoe is seasonal. The sales, in millions of dollars, can be modeled by