Which can be the first step in finding the equation of the line that passes through the points (5,-4) and (-1, 8) in slope-intercept form?

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

When y’all answer can y’all explain too !

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis. y = 7ex, y = 7e^-x, x = 1; about the y-axis