Which of the graphs below is a sketch of \[y = \frac{1}{4x-x^2-5}\; ?\]

Would it help to complete the square for the quadratic expression in the denominator?

Which of the graphs below is a sketch of \[y = \frac{1}{4x-x^2-5}\; ?\]

Would it help to complete the square for the quadratic expression in the denominator?