Applications of Maxima/Minima An island is at point A, 4km
offshore from the nearest point B on a straight beach. A woman
on the island wishes to go to a point C, 6km down the beach from
B. She can go by rowboat at 5km/hr to a point P Between B and C.
And then walk at 8km/hr along a straight path from P to C. a.)
Estimate on your graphics calculator the route from A to C that
she can travel in the least time. b.) Confirm Your estimates in
part a analytically.