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# Interest Rates and Logarithms

1. Approximately how long will it take \$1,000 to grow to \$5,006 at 8% annual interest and compounded 12 times per year?
2. Solve for x in the following equation:
3. Solve the following equation for the value of x:
4. Find the value of x in the following equation:
5. What is the value of x in the following equation?
6. Solve for the approximate value of x in the following equation:
7. The population increase of Iraq is given by the equation
8. Find the value of x to two decimal places in the following equation:
9. Solve the following equation for x:
10. The value of x in the following equation is:
11. Approximately how long will it take \$100 to grow to \$500 at 8% annual interest and compounded 12 times per year?
12. Complete the table for a savings account subject to n compounding yearly
13. Use the function to determine the percentage of new cell phones with cameras in 2007. Round to the nearest whole percent. Does this overestimate or underestimate the percent displayed by the graph? By how much?