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Fie functia f:{-1;0;2;3}->R,f(x)=x-1.Daca punctul M (m;1) apartine Gf ,atunci m=....

Răspuns :

f:{-1;0;2;3}->R, f(x)=x-1
M(m,1)∈Gf => f(m)=1
f(m)=m-1
m-1=1 => m=2