QuestionQuestion 8 (1 point) Which of the following functions has exactly one vertical asymptote when graphed? A) $f(x)=\frac{6}{x^{2}-3 x}$ B) $f(x)=\frac{6 x}{x^{2}-3 x}$ C) $f(x)=\frac{6 x^{2}-18 x}{x}$ D) B and C