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Fie f:R->R, f(x) =-x² +4 Calculat f(-2),f(-1),f(0),f(1), f(2)

Răspuns :

Răspuns:

f(-2)=-2+4=-2

f(-1)=-1+4=-3

f(0)=4

f(1)=1+4=5

f(2)=2+4=6