Given the information below, estimate the total distance travelled during these 6 seconds using a left endpoint approximation.

Question

time (sec) velocity(ft/sec)

0 13

1 23

2 24

3 15

4 4

5 1

6 10

Answer 1

S ≈ L₆ = 13(1 - 0) + 23(2-1) + 24(3 - 2) + 15(4 - 3) + 4(5 - 4) + 1(6 - 5) = 80