Question

An investment of$5000 doubles in value every decade. The function, where x is the number of decades, models the growth of the value of the investment. How much is the investment worth after 30 years?

Answer 1

40,000
Explanation
5000 10 year later is know 10000
10000. 10 years later is know 20000
20000 10 years later is know 40000 which is 30 years total