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# questions 1-3)  Let
:r+1 f(\$ayl=m be a function f: R2 I—&gt; 1R. 1. (a) What is the natural domain of f(1:,y)? Draw the 3:,y-plane and indicate the
domain. (b) What is the range of ﬁzzy)? (Assume f is deﬁned in its natural domain). 2. (3.) Compute the partial derivatives f:(z,y) and fy(:r,y).
(b) Evaluate the partial derivatives 1', and fl, at the point (my) = (1, 2) 3. Compute the plane tangent to ﬂay) at the point (ray) = (1, 2). 4. (a) Draw the level curves of f(1', y) for c E {—2, —1,0, 1, 2}. Indicate the value of c of
each curve.

Question (1) Part (a) D o m : ( x , y ) 2 { y = 1 x 2 } Part (b) R a n : ( x , y ) 2 ... View the full answer ### Why Join Course Hero?

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