## Question

###### Question 1 (5 points) . Let T Rn Rm be a linear transformation; i.e. T(21, A is an by n matrix. Calculate Jacobian of T.En )Ax whereQuestion 2 (10 points) . Let f(Ã¢â€šÂ¬,y) 23 +y2_ Show that (0,0) is a saddle point . Note that you cannot use the second derivative test for this function_ Hint: Find the curve of intersection of the graph of with the :z-plane _

Question 1 (5 points) . Let T Rn Rm be a linear transformation; i.e. T(21, A is an by n matrix. Calculate Jacobian of T. En ) Ax where Question 2 (10 points) . Let f(Ã¢â€šÂ¬,y) 23 +y2_ Show that (0,0) is a saddle point . Note that you cannot use the second derivative test for this function_ Hint: Find the curve of intersection of the graph of with the :z-plane _

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