【LaTeX】TikZサンプル集～グラフ編～\begin{figure}[h] \centering \begin{tikzpicture} \draw[-stealth](-1,-1.5)--(-1,2)node[left]{$y$}; \draw[-stealth](-1,-1.5)--(2,-1.5)node[below]{$x$}; \draw(-1,-1.5)node[below left]{O}; \draw [domain=-1:1.2,blue] plot[smooth](\x, 1.5*\x); \draw(1.6,2)node[left]{$f_{1}(x)$}; \draw [domain=0:1.5,red] plot[smooth](\x, {1.5-1.5*exp(-\x)}); \draw(1.8,1.3)node{$f_{2}(x)$}; \draw[dashed](-1,1.35)--(0.9,1.
