Held my sister needs with another problem.

What is the vertical asymptotes of the function f(x)=x-2/x*2-3x-4

Line cd passes through points c(1, 3) and d(4, –3). if the equation of the line is written in slope-intercept form, y = mx + b, what is the value of b? –5 –2 1 5

Factor the expression using gcf 9b+45