1. For the integral Judy - f f f y dy dadz , do the following. [8] a) Sketch the region of integration E, and rewrite the integral in the order dz dy dx. [8] b) Evaluate the integral (using either order). Give your answer as a reduced rational number. [4] c) Given that the volume of E is 64/5, compute the average value of y on E, as a reduced rational number