# Let f(x) = 8 - 2x (a) Use a Riemann sum with five subintervals of equal length (n = 5) to approximate the area of R. Choose the representative points to be the left endpoints of the subintervals. (b) Repeat part (a) with ten subintervals of equal length (n = 10).

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Let f(x) = 8 - 2x

(a) Use a Riemann sum with five subintervals of equal length (n = 5) to approximate the area of R. Choose the representative points to be the left endpoints of the subintervals.

(b) Repeat part (a) with ten subintervals of equal length (n = 10).

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(a) Use a Riemann sum with 5 sub intervals to approximate the area of R... help_outlineImage TranscriptioncloseDivide the interval [0,4] into 5 sub intervals 4 0 Each has length, Ax = 5 4 5 8 12 16 4 5 4 The intervals are 0,- 48 12 16 5 5 5 5 5 5 f(x)8-2x The left Riemann sum is R, 16 12 f f 5 4 8 Ax f(0)+f 5 5 5 24 16 4 32 8+ 5 5 5 5 96 = 19.2 fullscreen

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