Recent content by Calc12

I got 7 + 2x after I continued from where you left off, but I am not sure if that's f'(x). Also I put 0 in for x and y, and got f(o) = f(0) + f(0) + 2(0)(0) = 0, which I am pretty sure doesn't mean anything. So if you could please break it down further, it would be much appreciated. Thank you.