Question

Problem 5. Do the following problems. [20 pts, 5 min]

(a) If S cm^2 of material is available to make a box with a square base and an open top, find the largest possible volume of the box.

(b) A boat leaves a dock at 6:00 PM and travels due south at a speed of 40 km/h. Another boat has been heading due east at 30 km/h and reaches the same dock at 7:00 PM How many minutes after 6:00 PM were the two boats closest together?

Answer 1