Consider the following.

f$($u$)=9$u$42$u

h$($u$)=$ u $+1$

Find

f$($u$)$

and

h$($u$).$

f$($u$)$

$=$

h$($u$)$

$=$

Use the quotient rule to find the derivative of the function.

G$($u$)=$

$9$u$42$uu $+1$

G$($u$)=$