The revenue for a new company is approximated by the model , r= -0.38t^2+79.04t-1.03 where r is the revenue in dollars and t represents the time in months. when will the company reach its maximum revenue? what is the company's revenue to the nearest dollar after 150 months? after the company has reached its maximum revenue, between what number of months will the company's revenue drop to $2,100? halllppp : d