Tolong bantu jawabkan kak

<p>Jawaban yang tepat adalah a.<strong> 2 dan 5</strong></p><p>&nbsp;</p><p>Pembahasan :</p><p>f(x) = px + q</p><p>f(3) = 11 --&gt; 3p + q = 11 &nbsp; &nbsp; &nbsp;(1)</p><p>f(1) = 7 &nbsp; --&gt;&nbsp;<u> &nbsp;p + q &nbsp;= 7 &nbsp;</u> _ &nbsp; &nbsp;(2)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 2p &nbsp; &nbsp; &nbsp; &nbsp; = 4</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;p = 4/2 = 2</p><p>Substitusikan p = 2 ke persamaan (2)</p><p>p + q = 7</p><p>2 + q = 7</p><p>q = 7 - 2</p><p>q = 5</p><p>Jadi, nilai p dan q berturut-turut adalah 2 dan 5</p><p>&nbsp; &nbsp;</p>