Answer:
Domain is [-1, 3]
Range is [1, 2]
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Step-by-step explanation:
The domain is the set of allowed input values. It's the set of all possible x coordinates of the points shown.
The left-most point is when x = -1, while the right-most point is at x = 3.
We can say
meaning x is between -1 and 3, including both endpoints.
That compound inequality translates to the interval notation [-1, 3]
Square brackets are used to include the endpoints.
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The range handles the set of possible y outputs.
The lowest we can go on the graph is y = 1, and the highest is y = 2
Therefore we arrive at
which translates to [1, 2]