Question 1

NO LINKS!! Please help with these notes. Part 4a

Question 2

$\\ \tt\hookrightarrow log_45+2log_43-log_415=x$

$\boxed{\sf log_ab=bloga}$

$\\ \tt\hookrightarrow log_45+log_43^2-log415=x$

$\\ \tt\hookrightarrow log_45+log49-log415=x$

$\boxed{\sf log_abc=log_ab+log_ac}$

$\\ \tt\hookrightarrow log_4(5)(9)-log_415=x$

$\\ \tt\hookrightarrow log_445-log_415=x$

$\boxed{\sf log_a(b/c)=log_ab-log_ac}$

$\\ \tt\hookrightarrow log_4\left((45)/(15)\right)=x$

$\\ \tt\hookrightarrow log_43=x$

$\\ \tt\hookrightarrow 3log4=x$

$\\ \tt\hookrightarrow x=3(0.602)$

$\\ \tt\hookrightarrow x=1.806$

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