{"id":"site-2866/zad/2890","paper_id":"site-2866","number":"2890","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":null,"text":"Funkcja f jest określona wzorem f(x)={1 / x+1}-1 dla wszystkich liczb rzeczywistych x\\not=1. Rozwiąż nierówność f(x)>f(2-x).","answer":null,"answer_text":null,"solution":null,"image":"img/site/2866/zad-2890.svg","solution_image":"img/site/2866/rozw-2890.svg","topics":null,"page_from":null,"source":"site","answer_source":null,"answer_text_source":null,"solution_source":null,"text_source":"site","source_label":"Matematyka · Zbiory zadań","subject_label":"Matematyka","category_label":"Zbiory zadań","text_html":"<p>Funkcja f jest określona wzorem f(x)={1 / x+1}-1 dla wszystkich liczb rzeczywistych x\\not=1. Rozwiąż nierówność f(x)&gt;f(2-x).</p>","solutions":[{"source":"site","label":"matematykaszkolna.pl","kind":"image","image":"/img/site/2866/rozw-2890.svg"}]}