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Which expression shows the value of a $2500 investment after it has grown by 4.5% per year for 12 years. A- 2500(1.045)^12
B- 2500(1.045)^144
C- 2500(1.45)^12
D- 2500(1.45)^144

Respuesta :

meerkat18
The answer is A. 2500(1.045)^12

This is explained by the formula A(t) = a(1+- r)^t. 
+ for growth
- for decay
t for time

Since this is growth (the word 'grown' in the question gives us an idea), we add 1 to the rate 0.045. 

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