Agolfer needs to hit a ball a distance of 500 feet, but there is a 60ft tall tree that is 100 feet in front of the point where the shot needs to land. given that the maximum height of the shot is 120ft, and that the intended distance of 500ft is reached, by how much did the ball clear the tree?

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.