Suppose an investment of $3,800 doubles in value every decade. The function mc010-1.jpg gives the value of the investment after x decades. How much is the investment worth after 2 decades?

Question

 THis is the actual question

Suppose an investment of $3,800 doubles in value every decade. The function  gives the value of the investment after x decades. How much is the investment worth after 2 decades?

Answer 1

f(x) = 3800·2^x; if x = 2decades, then 3800·2² = 15200