با استفاده از نمودارهای f و g حدهای زیر را به دست آورید.

\(\begin{array}{l}\mathop {\lim }\limits_{x \to + \infty } f(x)\\\\\mathop {\lim }\limits_{x \to - \infty } f(x)\end{array}\)

\(\begin{array}{l}\mathop {\lim }\limits_{x \to + \infty } g(x)\\\\\mathop {\lim }\limits_{x \to - \infty } g(x)\end{array}\)
\(\begin{array}{l}\mathop {\lim }\limits_{x \to + \infty } f(x) = 0\\\\\mathop {\lim }\limits_{x \to - \infty } f(x) = 0\\\\\mathop {\lim }\limits_{x \to + \infty } g(x) = 2\\\\\mathop {\lim }\limits_{x \to - \infty } g(x) = - 2\end{array}\)