Engineering Math

11.2 Exercises

1. Sketch the contour graph of the function of two variables f
   (x,y)
   =
   (x− 1)
   ² +
   (y − 2)
   ².
2. Which of the following functions could correspond to the following contour graphs? z = x² + 3y²,z = 3x² + y²,z = x² − y²,z = x + y.
   PICT