Question: I need help. 3. Consider f(xx) = 2x2 + 3 on the closed interval I = [0, 4). (a) (2 points) Evaulate f(x) dir using

I need help.

3. Consider f(xx) = 2x2 + 3 on the closed interval I = [0, 4). (a) (2 points) Evaulate f(x) dir using antiderivatives. (b) (10 points) Let A.r; = 4 and let ci = 4. Use these values to evaluate a Riemann sum for f(x) dx as above. You may need to use the fact that n(n + 1)(2n+1) Ec = c . n for any constant c and i- i=1 Note that your final answer should be the same as what you got in part (a)
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