Functions Review

Front

What is the range of a function?

Back

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

Front

What does the notation [-2, 2] represent?

Back

It represents a closed interval where the range includes all values from -2 to 2, including -2 and 2.

Front

What is the range of the function if y ≤ 6?

Back

The range includes all values of y that are less than or equal to 6.

Front

How can you determine if a table represents a function?

Back

A table represents a function if each input (x-value) is paired with exactly one output (y-value).

Front

What is a function?

Back

A function is a relation where every input is matched with exactly one output.

Front

What does the notation -3 ≤ y < 1 mean?

Back

It means that y can take any value from -3 to 1, including -3 but not including 1.

Front

If a relation has an x-value of 5 paired with two different y-values, is it a function?

Back

No, it is not a function because a function cannot have the same input (x-value) with multiple outputs (y-values).

Front

What is the difference between a relation and a function?

Back

A relation is any set of ordered pairs, while a function is a specific type of relation where each input has exactly one output.

Front

What is the domain of a function?

Back

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

Front

What does it mean if a function is linear?

Back

A linear function is a function that graphs to a straight line and can be expressed in the form y = mx + b.