Copyright

Exponential & Logarithmic Functions: College Precalculus Lesson Plans Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. Solve the exponential equation below for x:

Question 2 2. Which equation represents a pattern that starts at 6 and is multiplied by 4 each step?

Question 3 3. Which of these equations correctly represents the following scenario: In her prime, 40 million people knew who Britney Spears was, but that number has been decreasing by 10% each year. So, since 90% of people still recognize her each year, how many people still know who Britney is each year?

Question 4 4. Condense the logarithm below:

Question 5 5. Solve, to 2 decimal places, the exponential equation below for x:

Page 2

Question 6 6.

Which direction will the graph of this equation be shifted?

y = log (x + 2)

Question 7 7. Which of the following is an exponential function?

Question 8 8. What are the domain and range for the equation y = log(x) - 3?

Question 9 9. Which equation represents this graph?

Question 10 10. Solve the exponential equation below for x:

Page 3

Question 11 11. To exponentiate both sides of an equation is to _____

Question 12 12. Use the following information to answer the question.

Question 13 13. Every year a laptop is worth 1/3 of what it was worth each year previous. If you have a $600 laptop, how much is it worth after 15 years?

Question 14 14. Evaluate.

Question 15 15. Evaluate the logarithm below to 2 decimal places.

Page 4

Question 16 16. Which pattern of numbers is exponential?

Question 17 17. What does the quotient property tells us to do?

Question 18 18. Evaluate the logarithm below:

Question 19 19. What are the domain and range of the equation y = log(x + 5)?

Question 20 20. If f(x) = abx, f(2) = 480 and f(5) = 30,720, then a = _____.

Page 5

Question 21 21. Which expression is equivalent to log having base = e?

Question 22 22. Which of the following equations represents an exponential decay?

Question 23 23. Evaluate.

Question 24 24. Solve the exponential equation below for x:

Question 25 25. Which of the following is the graph of y = log (x - 2) + 1?

Page 6

Question 26 26. You're saving up for a $16,000 car. If you put $6,000 in a bank account that gives you 12% interest each year, how many years, to 1 decimal place, will it take before you have enough money for the car?

Question 27 27. Evaluate.

Question 28 28. Evaluate the logarithm below:

Question 29 29. Expand the logarithm:

Question 30 30. Which logarithmic property is shown below?

Exponential & Logarithmic Functions: College Precalculus Lesson Plans Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

College Precalculus Syllabus Resource & Lesson Plans  /  Math Courses
Support