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Fie functia f:R --- R , f(x) = -x+2 . Calculati f(3)

Răspuns :

F(x) / y x=0 F(3) = -3+2 f(3) = -1 A(0, -1) f(x)/ x y=0 F(3)= -x+2 = 0 -x=-2 x=2 B(2, 0)