Question

derivative problem. I'll upload it below.

Answer 1

\[r=(2)/(3\sqrt[3]{x})-(\ln (x)/9)+\ln(9)\]

Answer 2

whats the question? just take the derivative?

Answer 3

missing some info here. what is r?

Answer 4

it says to find the first derivative......

Answer 5

\[\frac{2}{3*x^{1/3}}=\frac{2}{3}*x^{-\frac{1}{3}}\]

Answer 6

\[-\frac{ln(x)}{9}=-\frac{1}{9}*ln(x)\]

Answer 7

\[(ln(9))'=0\]

Answer 8

can you take it from there or do you still need help?