1) 1.
2.
2) 1. D(f)=R
2. D(f)=R/{2;-2}
3. D(f)=[-3;+∞)
3. У Word and photo
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Answers & Comments
1) 1.
2.
2) 1. D(f)=R
2. D(f)=R/{2;-2}
3. D(f)=[-3;+∞)
3. У Word and photo