A manufacturer wants to predict the consumer interest in a new smartphone. The company uses the function below to model the number, P. in millions, of pre-orders for the phone as a function of the number, d, of days before the phone's release date. P(d) = -2-d+20 7) How many days before the phone release will the company get 10 million pre-orders? Use graphing technology to find your answer. Number of pre-orders (in millions) Mini-Lesson Days before the phone release date