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Dilauda
Dilauda Dilauda
  • 31-12-2016
  • Mathematics
Answered

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

Verified Answer :

royalranger
royalranger royalranger
  • 31-12-2016

3,800 x 4 = 15,200 therefore:
B

Answer Link
apologiabiology
apologiabiology apologiabiology
  • 01-01-2017

doubles every decade
basically
for x deckades
the amount is multiplied by 2^x
so
2decades
2^2
38002^2
38004
15200

B is answer

Answer Link

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