What is the domain of the relation?

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

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

If f(x) = 3x-2 and g(x) =2x+1 find (f-g)(x)