Question: Please explain to me. 11. Use graphs to evaluate Jo sin x da and Jo cos r da.2126. Approximating net area The following functions are


Please explain to me.


11. Use graphs to evaluate Jo sin x da and Jo cos r da.2126. Approximating net area The following functions are positive and negative on the given interval. a. Sketch the function on the interval. b. Approximate the net area bounded by the graph of fand the xaxis on the interval using a left, right, and midpoint Riemann sum with n = 4. c. Use the sketch in part (a) to show which intervals of [a, b] make positive and negative contributions to the net area. 21. sc) = 4 2:1:_on [0, 4]
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