Question

The number of people contacted at each level of a phone tree can be represented by f(x) = 3x, where x represents the level. What is x when f(x) = 27?

Answer 1

x = 9

Explanation:

given f(x) = 3x and f(x) = 27, then equating f(x) gives

3x = 27 ( divide both sides by 3 )

x = 9