Domain and Range

Front

What is the definition of Domain in a relation?

Back

The set of all possible input values (x-values) for a function or relation.

Front

What is the definition of Range in a relation?

Back

The set of all possible output values (y-values) for a function or relation.

Front

How do you find the Domain of a set of points?

Back

Identify all the unique x-values from the given set of points.

Front

How do you find the Range of a set of points?

Back

Identify all the unique y-values from the given set of points.

Front

What is the Domain of the relation {(1, 2), (3, 4), (5, 6)}?

Back

{1, 3, 5}

Front

What is the Range of the relation {(1, 2), (3, 4), (5, 6)}?

Back

{2, 4, 6}

Front

What does it mean if a function is defined for all real numbers?

Back

The Domain of the function is all real numbers, often written as (-∞, ∞).

Front

What is the Domain of the function f(x) = 1/x?

Back

All real numbers except x = 0.

Front

What is the Range of the function f(x) = x^2?

Back

All real numbers y such that y ≥ 0.

Front

What is the Domain of the function f(x) = √x?

Back

All real numbers x such that x ≥ 0.