Identifying Functions

Front

Is this graph a function or not a function?

Back

Not a Function

Front

Which graph is linear?

Back

Graph D

Front

Is this function linear or nonlinear?

Back

Linear

Front

Which of the following is a function?

Back

A function is a relation where each input has exactly one output.

Front

What is the definition of function?

Back

Every input has only ONE output.

Front

What is a linear function?

Back

A function that graphs to a straight line.

Front

What is a nonlinear function?

Back

A function that does not graph to a straight line.

Front

What is the vertical line test?

Back

If a vertical line intersects a graph at more than one point, it is not a function.

Front

What are inputs and outputs in a function?

Back

Inputs are the x-values, and outputs are the corresponding y-values.

Front

Can a function have the same output for different inputs?

Back

No, a function must have a unique output for each input.