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Denii300
a fost răspuns

Sa se traseze graficul functiilor: a) f:[-1,5]->R,f(x)=x^2-2x-3 ; b)f:[-1,2]->R,f(x)=-x^2/2 ; c) f:R[-3,3]->R,f(x)=2x^2 ; d) f:(-infinit,1]->R,f(x)= x²-1 ; e) f:R->R,f(x)={x²-4,x≤1 si 9-x^2,x>1 ; f)f:R->R,f(x)={x²+1,x<-1 si 1-x²,x≥-1 ; g) f:(-infinit,-1]inclus [1,+infinit)->R,f(x)= x²+3x+2