Domain and Range Interval Notation

Front

What is the domain of a function?

Back

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

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 interval notation represent?

Back

Interval notation is a way of writing subsets of the real number line using intervals, indicating the lower and upper bounds.

Front

How is the interval notation for the domain of a function expressed?

Back

Front

What does the notation [a, b] mean in interval notation?

Back

The notation [a, b] means that both endpoints a and b are included in the interval.

Front

What does the notation (a, b) mean in interval notation?

Back

The notation (a, b) means that both endpoints a and b are excluded from the interval.

Front

How do you express the interval -9 < x ≤ -4 in interval notation?

Back

The interval is expressed as (-9, -4].

Front

How do you express the interval -7 ≤ x < 8 in interval notation?

Back

The interval is expressed as [-7, 8).

Front

What is the range of the function if the graph starts at -1 and goes to infinity?

Back

The range is expressed as [-1, ∞).

Front

What is the difference between closed and open intervals?

Back

Closed intervals include their endpoints, while open intervals do not.