探究与发现：探究函数y=x+<span class="equation-text" contenteditable="false" data-index="0" data-equation="\frac{1}{x}" data-url="<svg xmlns="http://www.w3.org/2000/svg" width="1.815ex" height="3.447ex" role="img" focusable="false" viewBox="0 -1011.8 802.2 1523.5" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" style="vertical-align: -1.158ex;"><defs></defs><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mfrac"><g data-mml-node="mn" style="font-family: &quot;Times New Roman&quot;, 宋体, serif; font-weight: normal; font-style: normal;" transform="translate(244.8,481.4) scale(0.707)" class="classmath99-latex-svg-g math99-latex-1-7-8"><text data-variant="-explicitFont" transform="scale(1,-1)" font-size="884px">1</text></g><g data-mml-node="mi" style="font-family: &quot;Times New Roman&quot;; font-weight: normal; font-style: italic;" transform="translate(220,-370.3) scale(0.707)" class="classmath99-latex-svg-g math99-latex-x-10-11"><text data-variant="-explicitFont" transform="scale(1,-1)" font-size="884px">x</text></g><rect width="562.2" height="60" x="120" y="220"></rect></g></g></g></svg>"><span></span><span></span></span>的图象与性质
对勾函数y=x+<span class="equation-text" data-index="0" data-equation="\frac{1}{x}"><span></span><span></span></span>
研究函数性质的一般方法
