Q' = 3Q - 3, what is the value of (6')' ?  Pick
A) 120	B) 150	C) 180	D) 210	E) 240

Rationale: ( 6 ' ) ' = ( 3 * 6 - 3 ) ' = 15 ' = 15 * 15 - 15 = 210 answer d
Answer: D