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1. Fie f: RR f(x) = 2x +3
Calculati f(3)+ f(2) -f(1)+ f(0)



Răspuns :

f(3)= 2×3+3= 6+3=9

f(2)= 2×2+3= 4+3= 7

f(1)= 2+3= 5

f(0)= 0+3=3

9+7+5+3=24