(a) Estimate the area under the graph of f(x) = 9 + 2x² from x = -1 to x = 2 using three rectangles and right endpoints. R3 Then improve your estimate by using six rectangles. R6 = Sketch the curve and the approximating rectangles for R3.

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Q: (a) Estimate the area under the graph of f(x) = 5 + 4x2 from x = -1 to x = 2 using three rectangles…

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A: I have provided solution in  step2.

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Q: (a) Estimate the area under the graph of f(x) = 7 + 2x2 from x = -1 to x = 2 using three rectangles…

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A: To find the total area between the curve of the function f(x)=−4x+8 and the x-axis over the interval…

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Q: Question in image along with part (a) repeated using left points and midpoints.

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Q: (a) Estimate the area under the graph of f(x) = 9 + 2x from x = -1 to x = 2 using three rectangles…

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Q: Estimate the area under the graph of  f(x) = 4 + 4x2 from x = −1 to x = 2 using three rectangles and…

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Q: (a) Estimate the area under the graph of f(x) = 7 + 2x² from x = -1 to x = 2 using three rectangles…

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