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

Question

26 January, 23:43

+5

Answers (2)

Know the Answer?

Puck · Answer 1

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

Hebert · Answer 2

Hebert 27 January, 00:03

0

3,800 x 4 = 15,200 therefore:

B

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. $152,000B. $15,200C. $76,000D. $7,600