Derivatives Plz Help I'm close to dropping but this is required

Question

Find dy/dx x = - 1 given that y = 5 + 2x²

dy/dx x = - 1: ________

Answer 1

I am assuming that you meant to say that Find dy/dx AT x = - 1 given that y = 5 + 2x²

You really should know how to take the derivative of a polynomial.

So compute dy/dx and plug in -1 for x.