an class="op">=</span><span class="fl">0</span>, to<span class="op">=</span><span class="fl">100</span>,</span></span>
<span class="r-in"><span>      col <span class="op">=</span> <span class="st">"red"</span>, las <span class="op">=</span> <span class="fl">1</span>, ylab <span class="op">=</span> <span class="st">"f(x)"</span><span class="op">)</span></span></span>
<span class="r-plt img"><img src="dEMWEx-1.png" alt="" width="700" height="433"></span>
<span class="r-in"><span></span></span>
<span class="r-