Algebra II Practice TestExponential and Log Functions – Part II Unit 7 Name__________________________________________ Period__________ Date________________ NON-CALCULATOR SECTION Vocabulary: Define each word and give an example. 1. Common Logarithm 2. e 3. Inverse Function Short Answer: 4. Describe how to rewrite an exponential function as a logarithmic function. 5. What is the change of base formula? Review: 6. Simplify the expression: 7. Find
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rpdp.netrpdp.net/admin/images/uploads/resource_9342.docx · Web viewVocabulary: Define each word and give an example. 1. Common Logarithm 2. e 3. Inverse Function Short Answer: 4.
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Algebra II Practice Test Exponential and Log Functions – Part II Unit 7
2. A single-cell amoeba doubles every 4 days. How long would it take one amoeba to produce a population of about 10,000 amoebae?
3. Evaluate . Round your answer to three decimal places.
4. Find the amount A accumulated after investing a principal for 17 years at an interest rate 6.2% compounded quarterly.
Algebra II Practice Test Exponential and Log Functions – Part II Unit 7
5. Jewel received $30 from her aunt and uncle for her seventh birthday. Her father deposited it into a bank account for her. Both Jewel and her father forgot about the money and made no further deposits or withdrawals. The table shows the account balance for several years.
a. Use a graphing calculator to find the exponential regression that shows how the elapsed time is related to the balance. Write the equation of best fit.
b. What is the annual interest rate for this account?
c. Write a sentence that describes the fit of the model to the data.
d. Based on the model, estimate the balance in 41 years.