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Mathematics
Algebra
Exponential growth or Exponential functions
Celine puts $750 into an investment account. The value of the investment grows exponentially, doubling every 20 years. Which equation can be used to find y, the number of years it takes Celine's investment to gain $900 in value?
1 answer
The equation that can be used to find y is: $$750(2^{y/20}) = 900.$$
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