Functions!

Front

What is a function?

Back

A rule where each input has exactly one output.

Front

Is the graph a function?

Back

Yes, it is a nonlinear function.

Front

Identify the independent variable: As the size of a family increases so does the cost of groceries.

Back

size of a family

Front

Back

No, it is not a function.

Front

Is the table a function?

Back

Yes, it is a nonlinear function.

Front

What is an independent variable?

Back

A variable that represents the input or cause in a function.

Front

What is a dependent variable?

Back

A variable that represents the output or effect in a function.

Front

What does it mean for a function to be linear?

Back

A function is linear if its graph is a straight line.

Front

What does it mean for a function to be nonlinear?

Back

A function is nonlinear if its graph is not a straight line.

Front

Give an example of a linear function.

Back