Answer question

Solve the problem. 36) Suppose that the number of frequent flier miles (in billions) earned by 36) customers of various airlines, but not yet redeemed in year x, could be approximated by the polynomial function: f(x) = 0.0016x4 - 0.68x3 + 11.33x2 - 20.15x (3 5 X 5 14) where x = 0 corresponds 1980. How many unredeemed miles were there in 1,990? 37) Suppose that the population of a certain city during a certain time period 37) can be approximated by: P(x) = -0.1x5 + 3.2x4 + 4,000 where x is time in years since 1960. By sketching a graph of P(x), estimate during what time period the population of the city was increasing