Solve the Exponential Equation $100,000 = 50,000 e ^ { 25 r }$

question 70

Multiple Choice

Solve the exponential equation $100,000 = 50,000 e ^ { 25 r }$ for r to determine the interest rate required for an investment of $50,000 to double in value when compounded continuously for 25 years. Round your answer to one decimal place.

• A)2.5%
• B)3.9%
• C)6.4%
• D)2.8%
• E)none of these

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