Question

Need help finding the domain and range

Answer 1

Here are a few things you'll need to know for this question:

• Domain: The list of x-values that are possible on a line.
• Range: The list of y-values that are possible on a line.
• Interval Notation: Shows the domain/range using the endpoints. Brackets mean that the endpoint is included, parentheses mean the endpoint is excluded. Ex: (2,10]. 2 is excluded, 10 is included.
• Closed Circles: The endpoint is included.
• Open Circles: The endpoint is excluded.

So firstly, let's look at the domain. We see that there is a closed circle at x = -2 and an open circle at x = 5. Using what we know, the interval notation of the domain is [-2,5).

Next, let's look at the range. We see that there is a closed circle at y = -5 and an open circle at y = 2. Using what we know, the interval notation of the range is [-5,2).