Basic limits
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Function | Limit point | |||
---|---|---|---|---|
\(x\to-\infty\) | \(x\to 0^-\) | \(x\to 0^+\) | \(x\to\infty\) | |
\(f(x)=x\) | \(-\infty\) | \(0^-\) | \(0^+\) | \(\infty\) |
\(f(x)=\dfrac{1}{x}\) | \(0^-\) | \(-\infty\) | \(\infty\) | \(0^+\) |
\(f(x)=\sqrt{x}\) | D.N.E. | D.N.E. | \(0^+\) | \(\infty\) |
\(f(x)=e^x\) | \(0^+\) | \(1\) | \(1\) | \(\infty\) |
\(f(x)=\ln x\) | D.N.E. | D.N.E. | \(-\infty\) | \(\infty\) |
\(f(x)=\sin x\) | D.N.E. | \(0^-\) | \(0^+\) | D.N.E. |
\(f(x)=\cos x\) | D.N.E. | \(1\) | \(1\) | D.N.E. |