height water h feet boat dock t hours after 6 am given h
The height of the water, “H”, in feet, at a boat dock “t” hours after 6 A.M. is given by H = 10 + 4sin(pi/6)t Find the height of the water at the dock at 6 A.M., 9 A.M., noon, 6 P.M., midnight, and 3 A.M.