Function notation Worksheet



3.2 Function Notation Worksheet Name_________________________

|Evaluate the following expressions given the functions below: |

|[pic] [pic] [pic] [pic] |

|a. [pic] |b. [pic] |c. [pic] |

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|d. [pic] |e. [pic] |f. Find x if [pic] |

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|g. Find x if [pic] |h. Find x if [pic] |i. Find x if [pic] |

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3. Given this graph of the function[pic]:

a. Write the domain of [pic]:

b. Write the range of [pic]:

Evaluate each of the following:

c. [pic] d. [pic] e. [pic]

f. x, when [pic] g. x, when [pic]

4. Swine flu is attacking Porkopolis. The function below determines how many people have swine where t represents the time in days and S represents the number of people in thousands.

[pic]

a. Find S(4).

b. What does S(4) mean in the context of the problem?

c. Find t when S(t) = 23.

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