Question: (a) Find an approximation to the integral 4 (x2 3x) dx using a Riemann sum with right endpoints and n = 8. (b) Draw

(a) Find an approximation to the integral ∫4 (x2 – 3x) dx using a Riemann sum with right endpoints and n = 8.
(b) Draw a diagram like Figure 3 to illustrate the approximation in part (a). (c) Use Equation 3 to evaluate ∫4 (x2 – 3x) dx.
(d) Interpret the integral in part (c) as a difference of areas and illustrate with a diagram like Figure 4.

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