Question 10: Which of the following functions does not have an extreme?

The function \(y = \frac{{x + 1}}{{x – 2}}\) has TXĐ : D = R\{2}

\(y’ = \frac{{ – 3}}{{{{\left( {x – 2} \right)}^2}}} < 0,\forall x \in D\)

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Question 10: Which of the following functions does not have an extreme?

The function \(y = \frac{{x + 1}}{{x – 2}}\) has TXĐ : D = R\{2}

\(y’ = \frac{{ – 3}}{{{{\left( {x – 2} \right)}^2}}} < 0,\forall x \in D\)

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