Q' = 3Q - 3, what is the value of (3')' ? Choose the correct choice from the following choices
A) 0  B) 10  C) 20  D) 30  E) 40

Rationale: "( 3 ' ) ' = ( 3 * 3 - 3 ) ' = 6 ' = 6 * 6 - 6 = 30 answer d"
Answer: D