Voici également un tableau de valeurs.
Et pour ceux qui utilisent KmPlot (pour Linux), voici le contenu du fichier .fkt :

<!DOCTYPE kmpdoc>
<kmpdoc version="4" >
<axes width="0.2" color="#282828" tic-legth="0.5" tic-width="0.3" >
<show-axes>1</show-axes>
<show-arrows>1</show-arrows>
<show-label>1</show-label>
<xmin>−0.5</xmin>
<xmax>5</xmax>
<ymin>−3</ymin>
<ymax>3.5</ymax>
</axes>
<grid width="0.1" color="#aeaeae" >
<mode>1</mode>
</grid>
<scale>
<tic-x-mode>0</tic-x-mode>
<tic-y-mode>1</tic-y-mode>
<tic-x>1</tic-x>
<tic-y>1</tic-y>
</scale>
<function f2-use-gradient="0" f1-use-gradient="0" f0-width="0.2" type="cartesian" use-parameter-slider="0" f1-show-plot-name="0" f1-gradient="0;#000000,1;#ffffff," f1-width="0.3" integral-color="#191970" integral-style="SolidLine" f0-show-tangent-field="0" f0-style="SolidLine" f1-visible="0" f1-show-tangent-field="0" f0-show-plot-name="0" integral-show-plot-name="0" f0-gradient="0;#000000,1;#ffffff," integral-use-gradient="0" f2-show-tangent-field="0" f2-width="0.3" integral-visible="0" f1-style="SolidLine" integral-show-tangent-field="0" f0-color="#00ff00" f1-show-extrema="0" f2-show-plot-name="0" f2-show-extrema="0" integral-show-extrema="0" f2-style="SolidLine" f0-show-extrema="0" integral-gradient="0;#000000,1;#ffffff," f1-color="#191970" f0-visible="1" parameter-slider="0" f2-gradient="0;#000000,1;#ffffff," f0-use-gradient="0" integral-width="0.3" use-parameter-list="0" f2-color="#191970" f2-visible="0" >
<equation-0 step="0.05" >f(x) = 3−x+1/(3e)<differential x="0" y="1" />
</equation-0>
<arg-min use="0" >0</arg-min>
<arg-max use="0" >2π</arg-max>
</function>
<function f2-use-gradient="0" f1-use-gradient="0" f0-width="0.2" type="cartesian" use-parameter-slider="0" f1-show-plot-name="0" f1-gradient="0;#000000,1;#ffffff," f1-width="0.3" integral-color="#006400" integral-style="SolidLine" f0-show-tangent-field="0" f0-style="SolidLine" f1-visible="0" f1-show-tangent-field="0" f0-show-plot-name="0" integral-show-plot-name="0" f0-gradient="0;#000000,1;#ffffff," integral-use-gradient="0" f2-show-tangent-field="0" f2-width="0.3" integral-visible="0" f1-style="SolidLine" integral-show-tangent-field="0" f0-color="#006400" f1-show-extrema="0" f2-show-plot-name="0" f2-show-extrema="0" integral-show-extrema="0" f2-style="SolidLine" f0-show-extrema="0" integral-gradient="0;#000000,1;#ffffff," f1-color="#006400" f0-visible="1" parameter-slider="0" f2-gradient="0;#000000,1;#ffffff," f0-use-gradient="0" integral-width="0.3" use-parameter-list="0" f2-color="#006400" f2-visible="0" >
<equation-0 step="0.05" >g(x) = 3−x<differential x="0" y="1" />
</equation-0>
<arg-min use="0" >0</arg-min>
<arg-max use="0" >2π</arg-max>
</function>
<function f2-use-gradient="0" f1-use-gradient="0" f0-width="0.6" type="cartesian" use-parameter-slider="0" f1-show-plot-name="0" f1-gradient="0;#000000,1;#ffffff," f1-width="0.3" integral-color="#ff4500" integral-style="SolidLine" f0-show-tangent-field="0" f0-style="SolidLine" f1-visible="0" f1-show-tangent-field="0" f0-show-plot-name="0" integral-show-plot-name="0" f0-gradient="0;#000000,1;#ffffff," integral-use-gradient="0" f2-show-tangent-field="0" f2-width="0.3" integral-visible="0" f1-style="SolidLine" integral-show-tangent-field="0" f0-color="#ff4500" f1-show-extrema="0" f2-show-plot-name="0" f2-show-extrema="0" integral-show-extrema="0" f2-style="SolidLine" f0-show-extrema="0" integral-gradient="0;#000000,1;#ffffff," f1-color="#ff4500" f0-visible="1" parameter-slider="0" f2-gradient="0;#000000,1;#ffffff," f0-use-gradient="0" integral-width="0.3" use-parameter-list="0" f2-color="#ff4500" f2-visible="0" >
<equation-0 step="0.05" >h(x) = 3−x+lnx/x³<differential x="0" y="1" />
</equation-0>
<arg-min use="0" >0</arg-min>
<arg-max use="0" >2π</arg-max>
</function>
<fonts>
<axes-font>Sans Serif</axes-font>
<label-font>Sans Serif</label-font>
<header-table-font>Sans Serif</header-table-font>
</fonts>
</kmpdoc>