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Problem 8. (1 point) Consider the integral ( f(x.y)dydx. Sketch the region of integration and change the order of integration. Problem 6. (1 point) Consider the integral f(x,y)dydx. Sketch the region of f(x y)dxdy integration and change the order of integration. a = _ b= 81()) =- - 82()) = ( f(x y)dady Answer(s) submitted: a = b = 81 (y) = - 82()) = Answer(s) submitted: (incorrect) (incorrect) Problem 9. (1 point) Problem 11. (1 point) In evaluating a double integral over a region D, a sum of iterated integrals was obtained as follows: Consider the following integral. Sketch its region of inte- gration in the xy-plane. [, f(x.y)da = [. J. f(x.Maxdy + [ ] 's(x.y)dxdy. Sketch the region D and express the double integral as an iterated " Le ysin (' ) dady integral with reversed order of integration. (a) Which graph shows the region of integration in the I. f(xy) dydx xy-plane? [?/A/B/C/D] a= b= (b) Write the integral with the order of integration re- 81 (x) = - 82 (X) = versed: Answer(s) submitted: (" , ysin ( ) axdy = [' S' ysin( ) dydx with limits of integration (incorrect) A= B = C= D = (c) Evaluate the integral. Problem 10. (1 point) Evaluate the integral by reversing the order of integration. If er axdy = A Answer(s) submitted: (incorrect) D (Click on a graph to enlarge it) Answer(s) submitted