Find the Derivative $f(x)=\sqrt[7]{x} ;(x>0)$ A) $\frac{8}{7} x 8 / 7$ B) $-\frac{8}{7} x-8 / 7$

Multiple Choice

Find the derivative.
- $f(x) =\sqrt[7]{x} ;(x>0)$

A) $\frac{8}{7} x 8 / 7$
B) $-\frac{8}{7} x-8 / 7$
C) $6(6 \sqrt{x})$
D) $\frac{1}{7} x-6 / 7$