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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