# Math Help - Derivative problem (200Q – (Q^2 / 2)- need clarification.

1. ## Derivative problem (200Q – (Q^2 / 2)- need clarification.

I am trying to solve for the derivative of 200Q – (Q^2 / 2). I am getting 200 + Q. Is that correct?

2. ## Re: Derivative problem (200Q – (Q^2 / 2)- need clarification.

Originally Posted by scaliva21
I am trying to solve for the derivative of 200Q – (Q^2 / 2). I am getting 200 + Q. Is that correct?
No it is $200-Q$