Question $3)$

$3]$ Rank folbwingfu$1$icrr by or&of govth; is$,$ an umng$$

txlow sais&ing

gre g$.$

Putition you list into clasps such di$.$at f$($n$)$ and g$($n$)$ are in sanE class if only

if f$($n$)$ e Rob.st am

mr$$rgh "hand waving" $($the wil&r waving.

the $($And noe tut "Ign" is $41\%$zn$".)$

It tblp to obsa$$ve that if f$($n$)$ e f$($n$)$

Oii$)$

$($vi$)$ n$!$

$($vii$)*\text{'}20-1$

$($Viii$)$ Ign

$($ix$)$ Igu

$($x$)$ Pign

$($xii$)$

$($xff$)+29793$ x $108$

$($xiv$)($Jgnpn

$($xvi$)$ Ign$5$

$($xvii$)$ n$?$