Approximate the area under the graph of f(x) and above the x-axis with rectangles, using the following methods with n 4. f(x)x24 (a) Use left endpoints. (b) Use right endpoints. (c) Average the answers in parts (a) and (b) (d) Use midpoints. from x 2 to x 2 (a) The area, approximated using the left endpoints, is 10 (b) The area, approximated using the right endpoints, is

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A: 'Since you have asked multiple question, we will solve the first question for you. If you want any…

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Q: YA 41 2- 1 - x - 1| 1- 3 - x - 9| 4 10 12х -1+ -2+ —-12 + 8х — x2 -3- -4 3.

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