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Walt goes for a 12-min walk. His pedometer shows his speed, v(t), in miles per hour, for 1-min intervals. Use L12, R,2, and their average to approximate the distance Walt travels. t (min) 0 1 2 3 4 5 6 7 8 9 10 11 12 2 v(t) (mi/hr) 0 4 6 5 5 5 5 1 3 3 5 5 4 Write the definite integral that represents the exact distance approximated by L12 and R12 distance = L12= (Round to three decimal places as needed.) R42 = O (Round to three decimal places as needed.) The average of L,, and R.-. the distance that Walt travels, is Time Remaining: 00:39:52 Submit quiz