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lolololol21
10.06.2020 •
Mathematics
If r(x) = 2 – x2 and w(x) = x – 2, what is the range of (w circle r) (x)?
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Ответ:
(x^2-x-x+1)(x-1)
(x^2-2x+1)(x-1)
2x^2-2x+x-1+2x-x^2
2x^2 +x-1-x^2