Question

daca f:R-R,f(x)=x+1,rezultatul calcului f(-1)orif(0)orif(1) egal cu

Answer 1

$\it f:\mathbb{R}\longrightarrow \mathbb{R} ,\ \it f(x) =x+1$

$\it f(-1) =-1+1=0$

$\it f(0) =0+1=1$

$\it f(1) = 1+1=2$

$\it f(-1)\cdot f(0)\cdot f(1) = 0\cdot1\cdot2 =0$