Question 706432
in a maths exam with N questions, you score m marks for a correct answer to each of the first q questions and m+2 marks for a correct answer to each of the remaining questions.
 what is the maximum possible score?
:
The max score for the first q questions: mq
The max score for remaining questions: (N-q)(m+2) FOILs to: Nm+2N-mq-2q
Total score, combine like terms:
 mq + (Nm + 2N - mq - 2q) = Nm + 2N - 2q 
Factor out N
N(m+2) - 2q, this look like ans A