Wytłumaczy mi ktoś ? MłodyWilk: Funkcja f , określona dla wszystkich liczb naturalnych, przyporządkowuje każdej liczbie ostatnią cyfrę jej dwukrotności. Zbiór wartości funkcji zawiera dokładnie:

Jack: {0,2,4,6,8}

Qulka: 5 liczb

MłodyWilk: i co dalej bo niezbyt rozumiem treść ?

6latek : Naturalne czyli 0 tez n=0 to 0*2=0 (czyli ostania cyfra jej dwukrotności jest 0 n=1 to 1*2=2 (−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−2 n=2 to 2*2=4 (−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−4 n=3 3*2=6 (−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−6 n=4 4*2=8 (−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−8 n=5 5*2=10 (−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−0 n=6 6*2=12 (−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−2 n=7 7*2= 14 (−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−4 n=8 8*2=16 (−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−6 n=9 9*2=18 (−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−8 Mamy wszystkie koncowki licz natoralnych no bo np. 102 *2=104 Widzisz ze powtarzaje się {0,2,4,6 8} A wykres tej funkcji jest taki