What should ∆x be for either a Left Hand Sum or a Right Hand Sum approximating 15 f (x) dx with 1 n = 28 rectangles? b=15 a=1

fist on the left goes with the third on the right. second on the left goes with the fourth on the right. third on the left goes with the second on the right. the fourth on the left goes with first on the right

192/15 = 12.8.

12.8

step-by-step explanation:

192/15 is 12.8.

however, it says to round to the nearest foot, which would equal 13.