Analyze the curve $y = \frac{x}{x^2 - 1}$ for symmetry, intercepts, asymptotes, and sketch its behavior.

Sketch the graph of the linear equation $3x - 4y + 12 = 0$ by determining: (a) The $x$-intercept and $y$-intercept (b) The slope of the line (c) The distance of the line from the origin