A graphing calculator is recommended A man stands at a point A on the bank of a straight river 2 mi wide To reach point B L 9 mi downstream on the opposite bank he first rows his boat to point P on the opposit distance x to B as shown in the figure He can row at a speed of 2 mi h and walk at a speed of 5 mi h L mi a Find a function that models the time T needed for the trip T x b Where should he land so that he reaches B as soon as possible Round your answer to two decimal places