**Problem : **
Define "abstract time".

**Problem : **
Define "asymptotic analysis".

**Problem : **
What is the asymptotic bound of the function
*f* (*n*) = 7*logn* + 2*n*
^{2} + *nlogn*
?

**Problem : **
What is the asymptotic bound of the function
*f* (*n*) = 100*n*
^{5} +2000*n*
^{4} + 18/*n*
?

**Problem : **
What is the asymptotic bound of the function
*f* (*n*) = 100/*n*
^{2}**nlogn*
.