8 The graph of a function f is given below. Estimate f(x) dx using four subintervals with (a) right endpoints, (b) left endpoints, and (c) midpoints. 8 (a) √³ f(x) dx ≈ 2(1−2+2+1) (b) ſ³ ƒ(x) dx ≈ 8 (c) √³ f(x) dx ≈ УА 1 0 1 2(1 + 2 − 2 + 2) f X

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A:

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