anonymous
  • anonymous
Use an exponential model to solve the problem: Determine how much time is required for an investment to double in value if interest is earned at the rate of 6.25% continuously.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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campbell_st
  • campbell_st
well is the model \[A = P \times e^{rt}\]
anonymous
  • anonymous
what values do we plug in for the variables?
tkhunny
  • tkhunny
Always read the problem statement carefully. Many questions can be answered. "investment to double" P = Beginning Investment VAlue A = Terminal Investment Value

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campbell_st
  • campbell_st
ok... so for double let P = 1 and A = 2 and you know r = 0.0625 as a decimal so \[2 = 1 \times e^{0.0625t}\] take the log of both sides then solve for t
anonymous
  • anonymous
thanks guys, I get it now

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