I can… …Interpret graphs of functions. …Draw graphs of functions.

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Presentation transcript:

I can… …Interpret graphs of functions. …Draw graphs of functions.

Function Output depends on input There is exactly one output for every input

A functions is graphed using a coordinate plane: x- coordinate y- coordinate

Independent vs. Dependent variables Distance a person runs over time Profit made when you raise or lower the selling price Average price of gasoline rises throughout the year Height and age

Typically independent is on the x-axis and dependent is on the y-axis Any measure of time (seconds, minutes, days, years, etc.) is almost always independent.

Continuous Function: Graph is a smooth curve or a line (can trace without picking up your pencil) Discrete Function: Graph with points that are not connected

1. Make a table to represent the total cost of buying 1 to 5 pairs of earrings. 2. Independent Variable: Dependent Variable: 3. Write the data as set of ordered pairs: 4. Graph the data. 5. Domain: Range: