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Need answers to this as well as details to fully understand how to do the problem. Thank you so much in advance! :)

9. -x2-y2 on the Find the maximum and minimum of the function f(x,y) fegion xy R = {(x,y): 0 1,0 y 2) x

Show transcribed image text 9. -x2-y2 on the Find the maximum and minimum of the function f(x,y) fegion xy R = {(x,y): 0 1,0 y 2) x