Algebra & Trigonometry

Chapter 4: Exponential and Logarithmic Functions

Chapter Quiz

1. Suppose that you have $8000 to invest. Which investment will yield the greatest interest over 15 years? [Hint]

2. Evaluate the expression.
4m1q2.gif [Hint]

3. Express the logarithmic form of the exponential equation. 4m1q3.gif [Hint]

4. What is the x-intercept of the function?
4m1q4.gif [Hint]

5. Evaluate the expression.
4m1q5.gif [Hint]

6. Find the domain of the logarithmic function in interval notation.
4m1q6.gif [Hint]

7. Write the expression as a single logarithm with a coefficient of 1.
4m1q7.gif [Hint]

8. Expand the expression and evaluate, if possible.
4m1q8.gif [Hint]

9. Solve for x.
4m1q9.gif [Hint]

10. Solve for x.
4m1q10.gif [Hint]

11. Solve for x.
4m1q11.gif [Hint]

12. Solve for x.
4m1q12.gif [Hint]

13. How long will it take $1000 to double itself, if it is invested at a rate of 9% interest compounded continuously? [Hint]

14. Identify the graphs of f and g.
4m1q14.gif [Hint]

15. Write the expression as a single logarithm with a coefficient of 1.
4m1q15.gif [Hint]

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