Answer:
2/3
Step-by-step explanation:
im pretty sure that's the answer
Transversal is the awnser
Answer: C. The functions will have the same input when y=0.
Step-by-step explanation:

Say r is rational. Suppose for a second, that s is not. Then, r+s is irrational. But this contradicts the fact that b is rational.
So, if one root is rational, then the other root is also rational