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# Find the solution of the exponential equation, correct to four decimal places. e x = 12

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1. Find the solution of the exponential equation, correct to four decimal places. e x = 12 • x = 2.4849 • x = 1.3615 • x = 2.0318 • x = 1.7726

2. Find the solution of the exponential equation 1.00507 4 x = 15, correct to four decimal places. Choose the correct answer from the following: • x = 133.8713 • x = 0.2667 • x = -133.8713 • x = -3.7575 • x = 3.75

3. Solve the logarithmic equation for x: log 3 ( 6 - x ) = 7 Choose the correct answer from the following: • x = -2,181 • x = 2,193 • x = 2,187 • x = -2,187

4. How long will it take for an investment of \$100 to double in value if the interest rate is 8% per year, compounded continuously? Choose the correct answer from the following: • 8.66 yr • 13.73 yr • 13.49 yr • 0.09 yr

5. 1. 2. 3. 4. Use a graphing device to find all solutions of the equation, correct to two decimal places. {image} • {image} • {image} • {image} • {image}