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自主录题一试题内容

试题内容

<span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">如图，一次函数</span></span></span><span style="font-size:12.0pt"><span style="line-height:150%">y=k<sub>1</sub>x</span></span><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">+</span></span></span><span style="font-size:12.0pt"><span style="line-height:150%">b</span></span><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">的图象与反比例函数</span></span></span><span style="font-size:12.0pt"><span style="line-height:150%">y=</span></span></span></span></span><img height="41" src="/uploads/meth/20201224/6e2c6dbd350848b8ed8e86971bdcac38.png" width="22" /><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">的图象相交于</span></span></span><span style="font-size:12.0pt"><span style="line-height:150%">A</span></span><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">（</span></span></span><span style="font-size:12.0pt"><span style="line-height:150%">2</span></span><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">，</span></span></span><span style="font-size:12.0pt"><span style="line-height:150%">3</span></span><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">），</span></span></span><span style="font-size:12.0pt"><span style="line-height:150%">B</span></span><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">（</span></span></span><span style="font-size:12.0pt"><span style="line-height:150%">6</span></span><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">，</span></span></span><span style="font-size:12.0pt"><span style="line-height:150%">1</span></span><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">）两点，当</span></span></span><span style="font-size:12.0pt"><span style="line-height:150%">k<sub>1</sub>x</span></span><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">+</span></span></span><span style="font-size:12.0pt"><span style="line-height:150%">b</span></span><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">＜</span></span></span></span></span></span><img height="41" src="/uploads/meth/20201224/6fd321203409458ebd55612d9e0274ee.png" width="22" /><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">时，</span></span></span><span style="font-size:12.0pt"><span style="line-height:150%">x</span></span><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">的取值范围为（　　）</span></span></span></span></span></span><br />
                                                                                                                                                               <img height="153" src="/uploads/meth/20201224/eb3434ac1abebe46293e8c0af869710b.png" width="156" /><br />

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自主录题一试题解答

试题解答

<span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">解：由图象可知，当</span></span></span><span style="font-size:12.0pt"><span style="line-height:150%">k<sub>1</sub>x</span></span><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">+</span></span></span><span style="font-size:12.0pt"><span style="line-height:150%">b</span></span><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">＜</span></span></span></span></span></span><img height="41" src="/uploads/meth/20201224/7bce14de0ed0b630b048ed7a62cf9e2c.png" width="22" /><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">时，</span></span></span><span style="font-size:12.0pt"><span style="line-height:150%">x</span></span><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">的取值范围为</span></span></span><span style="font-size:12.0pt"><span style="line-height:150%">0</span></span><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">＜</span></span></span><span style="font-size:12.0pt"><span style="line-height:150%">x</span></span><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">＜</span></span></span><span style="font-size:12.0pt"><span style="line-height:150%">2</span></span><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">或</span></span></span><span style="font-size:12.0pt"><span style="line-height:150%">x</span></span><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">＞</span></span></span><span style="font-size:12.0pt"><span style="line-height:150%">6</span></span><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">．</span></span></span></span></span></span><br />
<span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">故选：</span></span></span><span style="font-size:12.0pt"><span style="line-height:150%">D</span></span><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:宋体">．</span></span></span></span></span></span>

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