Question

Determinati numerele intregi x , care verifica relatia | f(x) | mai mic sau egal ca 1, unde f:R cu valori in R si f(x)= x+1/3 .

Answer 1

-1<f(x)<1 => -1<x +1/3<1 =>-4/3<x<2/3 ,x =intreg => x=-1,0.