Problem 4 An exponential function is defined by k(20) = 15.2.
1. Show that when x increases from 1 to 1.25 and when it increases from 2.75 to 3, the value of k
grows by the same factor.
2. Show that when x increases from t tot +0.25, k(t) also grows by this same factor.
(From Unit 4 Lesson 5)