For the graphed function:
The domain is [-3, 3]
The range is [-3, -3]
How to identify the domain and range?
For a function y = f(x), we define the domain as the set of the inputs and the range as the set of the outputs.
To identify the domain we need to look at the horizontal axis, we can see that the minimum value is at x = -3 and the maximum value is at x = 3, then the domain is: [-3, 3]
In the case of the range we have a single value (because the line is an horizontal line at y = -3) then the range is just R: {-3}
Or [-3, -3]
In interval notation.
Learn more about range and domain:
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