anying graph shows the total distance s traveled by a bicyclist after t Q Q 선 Elapsed time (hr) aph, answer parts (a) through (c). (a) Which of the following is the bicyclist's average speed, in mph, over the time interval [0, 1]? A. - 12 mph OC. 62 mph Which of the following is the bicyclist's average speed, in mph, over the time interval [1, 2.5]? A. 2.7 mph OC. -2.7 mph OA. 60 mph O C. -10 mph B. 12 mph OD. -62 mph Which of the following is the bicyclist's average speed, in mph, over the time interval [2.5, 3.5]? OA. -62 mph OB. - 28 mph D. 28 mph 122 mah (b) Which of the following is the bicyclist's instantaneous speed, in mph, at 1 t=hr? B. 10 mph D. -60 mph B. - 12.2 mph 62 mnh

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