Question

Se considera expresia E(x)=(x+1)²- |x+1|. Calculati E(0) si E(-1)

Answer 1

E(0)=(0+1)la putere a doua - modul de 0+1
E(0)=1-1=0
La fel si E(-1) 

Answer 2

E(0)=(0+1)²-|0+1|=1²-|1|=1-1=0
E(-1)=(-1+1)²-|-1+1|=0²-|0|=0-0=0