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\textbf{Math 126C: Calculus II}
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\textbf{Quiz 1}\quad \textsl{Aug. 29, 2000}

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1. \textsl{a)} Let $f(x) = \frac{x}{x+1}$ for $x > -1$.
Find a formula for $f^{-1}(x)$

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\textsl{b)} Determine the domain of $f^{-1}(x)$.


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2. Calculate $\frac{d}{dx}\ln\sqrt{\frac{x-1}{x+1}}$.
(Show all your work and simplify your answer.)
 
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