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Determinati a ∈ R, stiind ca:

a) f: {-2; 1; 2; 3} → R, f(x) = ax-2 si A(1; -3) ∈ [tex] G_{f} [/tex]

b) f: {-2;-1; 1; 2} → R, f(x) = 3x+a si A(1; -1) ∈ [tex] G_{f} [/tex]

c) f: {-3; -1; 1; 2} → R, f(x) = ax-5 si A(2; -1) ∈ [tex] G_{f} [/tex]



Va rog sa ma ajutati !!