Question: (1) Determine whether z is a function of x and y. Explain your answer. (a) yz + xly = x'z (b) x2 + 2y? +

(1) Determine whether z is a function of x and y. Explain your answer. (a) yz + xly = x'z (b) x2 + 2y? + 3=2 =1 (2) Sketch the domain of the function. (a) g(r, y) = In(1 - ry) (b) f(x, y) = \\25 - x2 - yz{3] Find the level curve of the function fer the given evalue. Give the name of the curve. {a} at: 3;} = 111(33: + y] for e = CI. 55 1 (b) gm: = 3:2 + y? fur c 2 __ D '3

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