Show and multiply 9.35× .37

What is the vertical asymptotes of the function f(x)=x-2/x*2-3x-4

How do you solve a question like this?

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.