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18 votes
18 votes
How can we write the domain and range for a function that is not piece-wise such as
y=x?

User Yoav Weiss
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1 Answer

16 votes
16 votes
Using infinity so it would be (-infinity, infinity) for both domain and range

(Also since infinity isn’t a set number you need to use the curved parentheses () instead of the brackets [ ] )
User Cleb
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