Question: Show that if an algorithm makes at most a constant number of calls to polynomial time subroutines and performs an additional amount of work that

Show that if an algorithm makes at most a constant number of calls to polynomial time subroutines and performs an additional amount of work that also takes polynomial time, then it runs in polynomial time. Also show that a polynomial number of calls to polynomial-time subroutines may result in an exponential-time algorithm.

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