miraklehill39 miraklehill39 30-11-2019 Mathematics contestada 12. Use these functions to answer this question. P (x) = x2 – X – 6 Q(x) = x - 3 What is P(x) – Q(x)? a. x2 – 3 b. x2 - 9 C. x2 – 2x – 3 d. x2 – 2x - 9