Which table represents a linear function?

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

Aswim teacher sells lesson packages. the best deal has the highest ratio of lessons to total cost. swim lesson packagesnumber of lessons total cost$10$4010 1 $8015$80which package is the best deal? l lesson for $105 lessons for $4010 lessons for $8015 lessons for $80mark this and returnsave and exit

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie