Question

$$\mu_{\bar{x}} \log ( 9 )$$

Answer

$$2*log(3)*m*u_bar(x)$$

Solution


Use Power Rule: \(\log_{b}{{x}^{c}}=c\log_{b}{x}\)\(\log{9}\) -> \(\log{{3}^{2}}\) -> \(2\log{3}\).
\[mu_bar(x)\times 2\log{3}\]
Regroup terms.
\[2(\log{3})mu_bar(x)\]