... 81000. "x" represents the number of years. That means that "x" will always be a positive, since a negative amount of years is impossible. f'(x) will always be positive, given that "x" will always be a positive, and the fact that "e" is also a positive. That means, both numerator and denominator will always be a positive. Hence, the derivative will be positive, too. Furthermore, the function f (x) or "f" is an increasing function, since the value of the numerator is increasing "faster" than the value of the denominator. Task 4 As time passes by, this prognosis (function) tells us that the number of passengers will tend to a certain value. Compute this value. To find the value I will put in different values for "x" in the formula X f (x) 100 540000 200 540000 500 540000 Task 4 continued: There is another method to compute to what certain value the number of passengers will tend to. By using the formula ...

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