Suppose an investment of $3,800 doubles in value every decade. The function f(x) = 3,800 * 2^2 gives the value of the investment after x decades. How much is th
Mathematics
Dilauda
Question
Suppose an investment of $3,800 doubles in value every decade. The function f(x) = 3,800 * 2^2 gives the value of the investment after x decades. How much is the investment worth after 2 decades?
A. $152,000
B. $15,200
C. $76,000
D. $7,600
A. $152,000
B. $15,200
C. $76,000
D. $7,600
2 Answer

1. User Answers royalranger
3,800 x 4 = 15,200 therefore:
B 
2. User Answers apologiabiology
doubles every decade
basically
for x deckades
the amount is multiplied by 2^x
so
2decades
2^2
3800*2^2
3800*4
15200
B is answer