Question

Determine whether the relation represents a function. State the domain and range of the relation.

{(-2,-9).(-4,-4). (1,5), (5, -7)}

Answer 1

• It is a function
• Domain: {-4, -2, 1, 5}
• Range: {-9, -7, -4, 5}

Explanation:

A function is defined so that for each input (known as the domain), there is no more than one output (known as the range).