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Consider the function f(x)=4x2-x3 provide the graph the region bounded by f(x) and the x-axis over...

Consider the function f(x)=4x2-x3 provide the graph the region bounded by f(x) and the x-axis over the interval [0,4], then estimate the area of this region using left reman sum with n=4, 10 and 20 subintervals. you may use the graphing calculator to facilitate the calculation of the Riemann sum. use four decimal places in all your calculations and answers.

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