To check whether

$3$

$($

n

$/$

$2$

$+$

$6$

n

$+$

$10$

$)$

$3$

$($n$/2+6$

n

$$

$+10)$

is

O

$($

$2$

n

$)$

O$(2$

n

$),$

$\backslash$Omega

$($

$2$

n

$)$

$\backslash$Omega $(2$

n

$),$ or

$\backslash$Theta

$($

$2$

n

$)$

$\backslash$Theta $(2$

n

$),$ we can analyze its growth rate in comparison to

$2$

n

$2$

n