If f(x)=k⋅xnf(x) = k \cdot x^nf(x)=k⋅xn where kkk and nnn are constants, what is the derivative f′(x)f'(x)f′(x)?
k⋅n⋅xn−1k \cdot n \cdot x^{n-1}k⋅n⋅xn−1
n⋅xn−1n \cdot x^{n-1}n⋅xn−1
k⋅n⋅xnk \cdot n \cdot x^nk⋅n⋅xn
k⋅xn−1k \cdot x^{n-1}k⋅xn−1