Which of the following is not true of the hip bone?

Answers to the concentration of medication question

C(x)=(2x^2+5x)/(x^3+8) what is maximum c(x)?

In regards to acetyl coa in the tca/kreb's cycle: how many cycles minimum would it take for an acetyl coa carbon to be removed? (what is the first step that this removal could happen? why can't we know for sure how many turns it takes?