Question

8. Suppose an investment of $5,000 doubles every 12
years. How much is the investment worth after 36
years? After 48 years?
Write and solve an exponential equation

Answer 1

amount = 5000(2)^(t/12), where t is the number of years.

plug in 36, 48

actually, you should be able to do this in your head.
after 12 years ----> 10,000
after 24 years ----> 20,000
after 36 years ----> 40,000
after 48 years ----> 80,000

Answer 2

Ohhhh... Thank YOU SO MUCH Reiny