Identify the vertical asymptotes, horizontal asymptotes, domain, and range of each. Then sketch the graph. f(x)= 2/x +2

Can someone pls ! pls answer all. no explanation needed..

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

Which expression is rational? 6. , square root two, square root 14, square root 49