Representing Functions

Front

What is a function?

Back

A function is a special relationship between values where each input has exactly one output.

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

How can you tell if a relation is a function?

Back

A relation is a function if each input value corresponds to exactly one output value.

Front

What does it mean for a function to be increasing?

Back

A function is increasing if, as the input values increase, the output values also increase.

Front

What does it mean for a function to be decreasing?

Back

A function is decreasing if, as the input values increase, the output values decrease.

Front

What is a mapping diagram?

Back

A mapping diagram visually represents the relationship between the input and output values of a function.

Front

What is a strong positive correlation?

Back

A strong positive correlation means that as one variable increases, the other variable also increases.

Front

What is a strong negative correlation?

Back

A strong negative correlation means that as one variable increases, the other variable decreases.

Front

What is an ordered pair?

Back

An ordered pair is a pair of numbers used to represent a point in a coordinate system, written as (x, y).