Determine the derivative of $y=x-9$y=x−9.

Determine the derivative of $y=x^2-x+8$y=x2−x+8.

Determine the derivative of $y=x^4+x^5$y=x4+x5.

Determine the derivative of $y=x^5-x^4+3$y=x5−x4+3.

Apply differentiation and anti-differentiation techniques to polynomials

Apply calculus methods in solving problems