Algebra 2 Worksheet
Algebra 2 Worksheet Name: ____________________
Combo Day! Sections 7.1-7.3 Period: ___
I. Tell whether the function shows growth or decay. Then find the percent of increase or decrease. Find some points, and then graph. Finally, give the domain and range.
|a. [pic] |b. [pic] |
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|[pic] |[pic] |
II. Write an exponential function [pic] to model the information. Then use your model to make the requested prediction or estimate the time.
|3. Suppose you buy a computer that costs $1150 and expect for its value to |4. If a stock priced at $27 increases at a rate of 6.04% each year, when |
|depreciate by 42% each year. What will be the computer’s resale value in 3 |will it be worth approximately $100? Round to the nearest tenth of a year. |
|years? | |
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III. Given [pic], find the equation of its inverse, [pic].
|5. [pic] |6. [pic] |
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V. Rewrite each equation in logarithmic form.
|7. [pic] |8. [pic] |
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VI. Rewrite each equation in exponential form.
|9. [pic] |10. [pic] |
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VII. Evaluate each logarithm WITHOUT the calculator.
|11. [pic] |12. [pic] |13. [pic] |
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Growth or Decay? _______________
Percent Increase/Decrease? ____________
Domain: __________ Range: __________
|[pic] |[pic] |
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Growth or Decay? _______________
Percent Increase/Decrease? ____________
Domain: __________ Range: __________
|[pic] |[pic] |
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