A particular seafood and grill resto found out to be famous because it satisfactorily served its customers. Its average monthly profit, (P), in pesos, can be modelled by the function P(x)=0.00019x3-2.6x + 1800 where x represents the number of served costumers. If the owner targets a profit of Php 40 000 for the month of April, how many customers he should serve? The number of citizen (N) of barangay Badiang in t years is

predicted to increase and can be modelled by the function N(t)

= 7t4-4t3+150t+17000. After 5 years, how many citizens now

will be residing in barangay Badiang?