Question 21: How many extreme points does the function \(y = \frac{{2x + 3}}{{x + 1}}\) have?

Defined set \(D = \mathbb{R}\backslash \left\{ { – 1} \right\}\)

\(y’ = \frac{{ – 1}}{{{{\left( {x + 1} \right)}^2}}} < 0,\forall x \ne – 1\) deduce the function there is no extreme point.

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