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# Unit 6 – Logs Review

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### Unit 6 – Logs Review

1. 1. Unit 6 – Logs Review
2. 2. Unit 6 Topics - Calculator <ul><li>Change from exponential to log form and vice versa </li></ul><ul><li>Use change of base to find logs </li></ul><ul><li>Rewrite logs by expanding or simplifying </li></ul><ul><li>Find the domain of a log function </li></ul><ul><li>Solve for an exponent </li></ul><ul><li>Find how long it will take to earn a given amount of money by investing </li></ul><ul><li>Simplify logs into different bases </li></ul>
3. 3. Unit 6 Topics – Non Calculator <ul><li>Simplify Logs </li></ul><ul><li>Rewrite Logs as a simplified expression </li></ul><ul><li>Find the inverse function of a Log or Exponential Function </li></ul><ul><li>Solve for a variable given a log or exponential function </li></ul><ul><li>Transform Log functions </li></ul>
4. 4. Write the following in Log form Find f : f = 0.921
5. 5. Find the domain of log(12-3x) 12 – 3x > 0 Solve for x x < 4
6. 6. How long will it take for \$13,000 to quadruple if the money was put into a super savings account at an annual rate of 28% compounded by-monthly? 4.98 years
7. 7. Simplify into log base 3.
8. 8. Simplify into log base 2.
9. 9. Simplify without a calculator
10. 10. Find the inverse function
11. 11. Simplify into one expression