Do as much as you can and please be correct

What are the vertical asymptotes of the function f(x) =5x+5/x2 + x-2

What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?