Section 5.6 1. Which of the following rules define functions? (a) The rule that assigns to each person in a classroom his or her height. (b) The rule that assigns to each mother her youngest child alive today. (c) The rule that assigns the perimeter of a rectangle to its area. (d) The rule that assigns the surface area of a spherical ball to its volume. (e) The rule that assigns the pair of numbers (x + 3, y) to the pair of numbers (x, y). 2. Determine which of the functions defined in Problem I are one-to-one, and which then have an inverse, Determine each inverse when it exists. Page 9/9