Q' = 3Q - 3, what is the value of (7')' ?
Choose the correct choice from the following answers.
A) 6  B) 106  C) 206  D) 306  E) 406
(7')'=(3*7-3)= 
<gadget id="calculator">(3*7-3)</gadget>
<output>18</output>
18'=18*18-18= 
<gadget id="calculator">18*18-18</gadget>
<output>306</output>
306   Answer 306
<result>D</result>
Q' = 3Q - 3, what is the value of (7')' ?