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OpenStudy (anonymous):
How do I show that f (x) = (x^2 + 1)−1 is one-to-one on (−∞, 0], and find a formula for f −1 for this domain of f?
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OpenStudy (anonymous):
\[f(x)=(x^2+1)-1\]??
OpenStudy (anonymous):
isn’t that just \(f(x)=x^2\) ?
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