a:1:{i:0;a:13:{s:2:"id";s:3:"534";s:7:"answer1";s:153:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=(-%5Cinfty%3B-9)" alt="(-\infty;-9)" /></p>";s:7:"answer2";s:149:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=(9%3B%5Cinfty)" alt="(9;\infty)" /></p>";s:7:"answer3";s:149:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=(5%2C%5Cinfty)" alt="(5,\infty)" /></p>";s:7:"answer4";s:185:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=(-%5Cinfty%3B-9)%20%5Ccup%20(-2%3B5)" alt="(-\infty;-9) \cup (-2;5)" /></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:"0001000000";s:8:"question";s:4:"1794";}}