Задание 2, стр 174

Question

На числовой оси изобразите следующие числовые промежутки:
а) (-1;3)
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b) (0;5)
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c)(2;+$\infty$)
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d)(3;+$\infty$)
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e)(-5;$+\infty$)
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f)(-$\infty$;-4)
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g)(-$\infty$;6)
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h)(-2;+$\infty$)

Gimli · Accepted Answer

\begin{enumerate}[label=\alph*)]
\item \begin{figure}[H] \centering
\begin{tikzpicture}[>=stealth]\centering

\draw[->] (-2,-3) -- (6,-3);

ode at (-1,-3.2){$-1$};

ode at (3,-3.2){$3$};
\draw (-1,-3) circle[radius=2.4pt];
\draw (3,-3) circle[radius=2.4pt];

ode at (1, -2.8){$////////////////////$};
\end{tikzpicture}
\end{figure}
\item \begin{figure}[H] \centering
\begin{tikzpicture}[>=stealth]\centering

\draw[->] (-2,-3) -- (6,-3);

ode at (-1,-3.2){$0$};

ode at (3,-3.2){$5$};
\draw (-1,-3) circle[radius=2.4pt];
\draw (3,-3) circle[radius=2.4pt];

ode at (1, -2.8){$////////////////////$};
\end{tikzpicture}
\end{figure}