$1.$N

$2.$N$3/2/$N$1/2$

$3.$N$2$

$4.$N logN

$5.$N$($logN$)2$

log$($N$2)$

$2$N

$37$

logN

$22$N$.$

$2$logN

a$.4$ and $5$ has the same growth rate

b$.2$ and $3$ has the same growth rate

c$.7$ and $10$ has the same growth rate

d$.1$ and $2$ has the same growth rate