Question

A club uses the function f(x)=121(1.12)^x to predict the number of members it will have x years after 2010. What is the predicted number odds members the club will have in 2020?

Answer 1

753

Explanation:

Put 10 where x is and do the arithmetic.

f(10) = 121·1.12^10 ≈ 753.48 ≈ 753

The predicted number of members the club will have in 2020 is 753.