If variable point $(x, y)$ satisfies the equation $x^2 + y^2 -8x -6y + 9 = 0$ , then range of $\frac{y}{x}$ is
If variable point $(x, y)$ satisfies the equation $x^2 + y^2 -8x -6y + 9 = 0$ , then range of $\frac{y}{x}$ is
- A
$\left[ { - \frac{7}{{24}},\frac{7}{{24}}} \right]$
- B
$\left[ { - \frac{7}{{24}},\infty } \right)$
- C
$\left[ {\frac{7}{{24}},\infty } \right)$
- D
$\left( { - \infty ,\infty } \right)$
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