Section 14.1: Functions of Several Variables

Exercise 11

Let \(f(x, y, z) = \sqrt{x} + \sqrt{y} + \sqrt{z} + \ln(4 - x^2 - y^2 - z^2)\).
(a) Evaluate \(f(1, 1, 1)\).
(b) Find and describe the domain of \(f\).