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What is the horizontal asymptote of the function \(y=\frac{4}{x+2}-5\)?

Answer and explanation

Correct answer: \(y=-5\)

As \(|x|\) becomes very large, \(\frac{4}{x+2}\) approaches \(0\). Therefore, \(y\) approaches \(-5\), so the horizontal asymptote is \(y=-5\). The line \(x=-2\) is the vertical asymptote, not the horizontal one. Exam tip: For \(y=\frac{a}{x-h}+k\), the horizontal asymptote is directly \(y=k\).

Related tags

Graphs Of FunctionsRational FunctionsHorizontal AsymptotesRelations And FunctionsGraphs Of Standard FunctionsMathematicsClass 11 Mcq

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