Solving Rational Equations and Graphing Rational Functions

Solve for x:   $\frac{x+1}{x+5}+\frac{18}{x^2+8x+15}=\frac{9}{x+3}$  

What is the extraneous solution?   $\frac{x+1}{x+5}+\frac{18}{x^2+8x+15}=\frac{9}{x+3}$  

Solve for x:   $\frac{2}{x^2-1}-\frac{1}{x-1}=\frac{1}{2}$  

What is the extraneous solution?   $\frac{2}{x^2-1}-\frac{1}{x-1}=\frac{1}{2}$  

What is the equation of the vertical asymptote? $f\left(x\right)=\frac{2x^2-4x-30}{x^2-3x-10}$  

What is the location of the hole? $f\left(x\right)=\frac{2x^2-4x-30}{x^2-3x-10}$  

What is the y-intercept? $f\left(x\right)=\frac{2x^2-4x-30}{x^2-3x-10}$  

What is the x-intercept? $f\left(x\right)=\frac{2x^2-4x-30}{x^2-3x-10}$  

What is the equation of the horizontal asymptote? $f\left(x\right)=\frac{2x^2-4x-30}{x^2-3x-10}$