Functions Review

Front

What is a function?

Back

A function is a relation between a set of inputs and a set of possible outputs where each input is related to exactly one output.

Front

Do the ordered pairs (0,1), (1,4), (4,1), (5,1) make a function?

Back

Yes, they make a function because each input (first number) is unique.

Front

What is the definition of a linear function?

Back

Front

Back

Linear

Front

What does a linear graph look like?

Back

A linear graph is a straight line that shows a constant rate of change.

Front

What does the graph of a constant speed represent?

Back

It represents a linear relationship where the output changes at a constant rate.

Front

Write a function rule for 'The output is four times the input'.

Back

Front

Back

The slope is 2.

Front

Back

The y-intercept is 5.

Front

What does it mean if a function is nonlinear?

Back

A nonlinear function does not create a straight line when graphed and can have curves or bends.