How do i work this out please?

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

Which is the solution to the inequality? 2 3/52 1/15 b< 3 2/15 b> 3 2/15

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?