A car traveling at 60 feet/sec decelerates at a constant rate so that it comes to a complete stop after 30 seconds. How far does the car travel in that time? Select one: C) 2400 ft '33 1800 ft (:3 1700 ft C3 900 ft Which of the following statements are always true? A) If f(t) is increasing, then the left-hand sum gives an overestimate of the integral from a to b of f(t)dt. B) |ff(t) is concave up, then the lefthand sum gives an overestimate of the integral from a to b of f(t)dt. Select one: '3') a. lUniv B} C; b. Both A] and B] :23 c. Univ A) Ci d. Neither A] orB}