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Band2/Grafiken/B2_11.tikz

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+\begin{tikzpicture}[line cap=round,line join=round,x=1cm,y=1cm]
+\tikzset{
+        every pin/.style={fill=yellow!50!white,rectangle,rounded corners=3pt,font=\tiny},
+        small dot/.style={fill=black,circle,scale=0.3},}
+\begin{axis}[
+x=1.5cm,y=1.5cm,
+axis lines=middle,
+axis line style = {-latex},
+xmin=-0.25,
+xmax=4.2,
+ymin=-0.25,
+ymax=3,
+ytick=\empty,
+xtick=\empty,
+xlabel=$x$,
+ylabel=$y$,
+extra y ticks={1.5},
+ extra y tick style={
+        tick label style={anchor=east}},
+    extra y tick labels={$\displaystyle g$},
+enlargelimits = true,
+]
+\draw [thick, draw=blue!50!black] 
+        (axis cs: -0.05,1.5) -- (axis cs: 5.2,1.5);
+\node[] at (axis cs:2.5,2.5) {$y=f(x)$};
+
+\addplot[domain=1.1:4.4, green!50!black	, line width=1,samples=200] {1.5+(5*e^(-x))*(cos(deg(2*pi*x)))};
+
+\end{axis}
+
+
+
+\end{tikzpicture}