In the time complexity tree we draw for the recurrence

$T(N)=7T(N-9)+$NIgN

$T(N)=1,$ for all $N9$

The root is at level $0.$

$($no answer$)$

The problem size for nodes at level $i$ is

$($no answer$)$

The local time complexity for nodes at level i is

$($no answer$)$

The number of nodes at level $i$ is

Number of levels is