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2. [0/5 Points] I DETAILS PREVIOUS ANSWERS SCALC715.1.009. A contour map is shown for a function fon the square R = [0, 6] x [0, 6]. 34'!!! Y 6 (a) Use the Midpoint Rule with m = n = 2 to estimate the value of f] f(x,y) 054. [Round your answer to the nearest integer.) R 1098 X (b) Estimate the average value of f. (Round your answer to one decimal place.) x Need Help? 3. [0/5 Points] DETAILS PREVIOUS ANSWERS SCALC7 15.1.0 Evaluate the double integral by first identifying it as the volume of a solid. (7 - x) dA, R = { (x, y) | 0