Question: ( 1 0 pts . ) Find an approximation to the net signed area in the earlier problem by using Left Riemann sum over the

(10 pts.) Find an approximation to the net signed area in the earlier problem by using Left Riemann sum over the interval between the two x-intercepts. Let the interval be divided into n=200 equal parts. You will be using the summation formulas covered in this chapter. It is better to express the quadratic function in the general form g(x)=-20x2+180x-400.
( 1 0 pts . ) Find an approximation to the net

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