Sketch the region of integration for the following integral. T/4 [*¹* 6³² f(r, 0) r dr de The region of integration is bounded by 3/cos(0) O A.y=0, x= √9 - y², and y = 3 B. y = 0, y = x, and y = 3 0, y = O c. y = √√9 - x², and x = 3 0, y = x, and x = 3 D. y = O E. None of the above

4. For each of the integrals below, sketch the region of integration and then calculate the integral by reversing the order of integration. (a) (b) L cos (1²) dyda Yex2 √x3 dxdy

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Jo Use Romberg integration to compute R3,3 for the following integrals. (cos x) dx r0.75 a. b. x In(x + 1) dx -0.75 2e | (sin x)? - 2x sin x + 1) dx 1 dx x In x с. d.