1. Wrist Watch Brand X of wrist watches at a department store is selling for $50 at a rate of 45 per month. The marketing department determined that for every $2 decrease in price, 3 more watches would be sold per month. Write a quadratic
equation in standard form that models the revenue R from watch sales.



2. Motocross The path that a motocross dirt bike rider follows during a jump is given by y = -0.4x² + 4x + 10 where x is the horizontal distance (in feet) from the edge of the ramp and y is the height (in feet). What is the maximum height of the rider
during the jump?