{"paper":{"id":"site-2662","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","variant":null,"exam_pdf":null,"key_pdf":null,"question_count":2,"source_label":"Matematyka · Zbiory zadań (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań"},"questions":[{"id":"site-2662/zad/5473","paper_id":"site-2662","number":"5473","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Rozwiązanie zadania. Funkcja f jest określona wzorem f(x) = 8x-7 / 2x^2+1 dla każdej liczby rzeczywistej x. Wartość funkcji f dla argumentu 1 jest równa A. 1/5 B. 1/3 C. 1 D. 2","answer":null,"answer_text":null,"solution":null,"image":"img/site/2662/zad-5473.svg","solution_image":"img/site/2662/rozw-5473.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 (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań"},{"id":"site-2662/zad/8144","paper_id":"site-2662","number":"8144","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Dla każdej liczby rzeczywistej x różnej od (-2), 0 oraz 2 wartość wyrażenia 4/x²+2x : 5x/4-x² jest równa wartości wyrażenia A. 8-4x / 5x² B. 4x-8 / 5x² C. 20 / (x+2)²⋅(x-2) D. 20 / (x+2)²⋅(2-x)","answer":null,"answer_text":null,"solution":null,"image":"img/site/2662/zad-8144.svg","solution_image":"img/site/2662/rozw-8144.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 (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań"}]}