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Nutka1998 [239]
3 years ago
9

Factor each expression 31

Mathematics
1 answer:
katrin2010 [14]3 years ago
8 0
You can’t factor 31 since it’s a prime number luv
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If the functions are inverses, then f(g(x)) = x.

A.

\displaystyle f(g(x))=f\left(\frac{3x+1}{3}\right)=\frac{1}{\frac{3x+1}{x}-3}\\\\=\frac{1}{\left(\frac{3x+1-3x}{x}\right)}=\frac{1}{\left(\frac{1}{x}\right)}=x

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B. The domain of f(x) = x≠3. The domain of g(x) is x≠0.

The domain of f(g(x)) is (-∞, 0) ∪ (0, ∞).

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450.5 - 425 = 25.5

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