Section 14.1: Functions of Several Variables
Exercise 9
Let \(g(x, y) = \cos(x +
2y)\).
(a) Evaluate \(g(2, -1)\).
(b) Find the domain of \(g\).
(c) Find the range of \(g\).
Let \(g(x, y) = \cos(x +
2y)\).
(a) Evaluate \(g(2, -1)\).
(b) Find the domain of \(g\).
(c) Find the range of \(g\).