a:1:{i:0;a:13:{s:2:"id";s:3:"538";s:7:"answer1";s:150:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=(1%3B3%20%5C%3E" alt="&quot;(1;3" /></p>";s:7:"answer2";s:151:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=(-%5Cinfty%3B1)" alt="(-\infty;1)" /></p>";s:7:"answer3";s:166:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=%5C%3C%203%3B%5Cinfty%20)" alt="\&lt; 3;\infty )" /></p>";s:7:"answer4";s:159:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=(-1%3B%20%5Cinfty%20)" alt="(-1; \infty )" /></p>";s:7:"answer5";s:0:"";s:7:"answer6";s:0:"";s:7:"answer7";s:0:"";s:7:"answer8";s:0:"";s:7:"answer9";s:0:"";s:8:"answer10";s:0:"";s:4:"good";s:10:"0100000000";s:8:"question";s:4:"1798";}}