Identify whether each statement is true or not. You do not need to prove your claim.

$($a$)\frac{n}{logn}=O(n)$

$($b$)nlogn=O(n)$

$($c$){16}^n=2^{O(n)}$

$($d$)n\sqrt[\phantom{2}]{n}=O(nlogn)$

$($e$)loglogn=O(logn)$

$($f$)lo{g}^{2}n=O(logn)$