Cho Lim f(x)= - 2. Khi đó
Giải thích
Chọn C
Ta có: \(\mathop {\lim }\limits_{x \to 3} \left[ {f\left( x \right) + 4x - 1} \right] = \mathop {\lim }\limits_{x \to 3} f\left( x \right) + 4\mathop {\lim }\limits_{x \to 3} x - \mathop {\lim }\limits_{x \to 3} 1 = - 2 + 4.3 - 1 = 9\).