Question

Sketch the region enclosed by the given curves. Draw a typical approximating rectangle and label its...

Sketch the region enclosed by the given curves. Draw a typical approximating rectangle and label its height and width and shade the area. Lastly, find its area.

1.) y = 3x + 2,    y = 14 − x2,    x = −1,    x = 2

2.) y = 9 cos(πx),    y = 8x2 − 2

3.) y = |5x|,  y = x2 − 6

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