Question

What is the derivative of `f(x)=-2x^-3+x^2-7`?

Answer 1

Recalling the power rule, which states that, for `y=x^n`, then `y'=n*x^(n-1)`, we can proceed:

Explanation:

`(df(x))/(dx)=(-3)(-2x^(-4))+2x`

`(df(x))/(dx)=6x^-4+2x`