Identifying Functions

Front

What is a function?

Back

A function is a relation where every input has only ONE output.

Front

Which of the following is a function? A, B, C, D

Back

D

Front

What is a linear function?

Back

A linear function is a function that graphs to a straight line.

Front

What is a nonlinear function?

Back

A nonlinear function is a function that does not graph to a straight line.

Front

How can you identify a function from a set of points?

Back

A set of points represents a function if no x-value is repeated.

Front

What is the vertical line test?

Back

The vertical line test states that if a vertical line intersects a graph at more than one point, the graph is not a function.

Front

What are inputs and outputs in a function?

Back

Inputs are the values you put into a function, and outputs are the values you get out.

Front

What is the domain of a function?

Back

The domain is the set of all possible input values (x-values) for a function.

Front

What is the range of a function?

Back

The range is the set of all possible output values (y-values) for a function.

Front

Can a function have multiple outputs for one input?

Back

No, a function cannot have multiple outputs for one input.