Plzz help me with this plz

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

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

The spring the owner of a sporting good store decreases the price of winter gloves from $10 to $8 each increases the price of swimming goggles from $8 to $10 without doing the math you think the percent decrease in the price of the gloves the same as the percent increase of the goggles explain why or why not