Functions, Functions, Functions 2.0

Front

What is the definition of a function?

Back

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

Front

Which representation does NOT show y as a function of x?

Back

Representation D does not show y as a function of x.

Front

Is the function linear or nonlinear?

Back

The function is nonlinear.

Front

Determine if the following is a function or not: { (1, 2), (1, 3) }

Back

Not a Function.

Front

Which of the following is a function? { (2, 3), (3, 4), (2, 5) }

Back

Not a Function.

Front

What is the vertical line test?

Back

A method to determine if a relation is a function; if a vertical line intersects the graph at more than one point, it is not a function.

Front

What is a linear function?

Back

A function that graphs to a straight line, represented by the equation y = mx + b.

Front

What is a nonlinear function?

Back

A function that does not graph to a straight line, such as quadratic or exponential functions.

Front

What is the domain of a function?

Back

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

Front

What is the range of a function?

Back

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