a:1:{i:0;a:13:{s:2:"id";s:3:"526";s:7:"answer1";s:169:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=g(x)%3D%5Cfrac%7B1%7D%7Bx%7D" alt="g(x)=\frac{1}{x}" /></p>";s:7:"answer2";s:175:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=g(x)%3D%5Cfrac%7B1%2Bx%7D%7Bx%7D" alt="g(x)=\frac{1+x}{x}" /></p>";s:7:"answer3";s:173:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=g(x)%3D%5Cfrac%7Bx%7D%7B1-x%7D" alt="g(x)=\frac{x}{1-x}" /></p>";s:7:"answer4";s:171:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=g(x)%3D-%5Cfrac%7B1%7D%7Bx%7D" alt="g(x)=-\frac{1}{x}" /></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:"0010000000";s:8:"question";s:4:"1786";}}