I already have A, so please help me find B, C, and D.

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?

If g^-1(x) is the inverse of g (x) which statement must be true

You work in a hospital that has 9 floors. you need to see 3 patients on each floor. how many patients do you need to see in all?