\(\mathop {\lim }\limits_{x \to {3^ + }} \frac{{x...

Câu hỏi: \(\mathop {\lim }\limits_{x \to {3^ + }} \frac{{x + 1}}{{2x - 6}}\) là: 

A. \(\frac{1}{2}\)

B. \(\frac{1}{6}\)

C. \( - \infty \)

D. \( + \infty \)