3. [0/1 Points] DETAILS PREVIOUS ANSWERS BERRAPCALCS 7.7.035. MY NOTES ASK YOUR TEACHER Use integration to find the volume under the surface f(x, y) above the region R. (Round your answer to two decimal places.) i'(x,y)=9x2y2 R={(X,y)[Osxsl,OSys1} 734 X cubic units 9. [0/1 Points] DETAILS PREVIOUS ANSWERS BERRAPCALCS 7.7.037.M|. MY NOTES ASK YOUR TEACHER Use integration to find the volume under the surface f(x, y) above the region R. f(x, y) = 14X5y over the region shown in the graph. 14/63 x cubic units Need Help? Consider the following double integral. (a) Select the region R whose area is given by the double integral. N 2 2 3 O O 3 N 2- O (b) Change the order of integration and show that both orders yield the same area. dy dx =