Please help I will mark you brainliest

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

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)