The equation N (t) = 550 models the number of people in a town who have heard a rumor after t days. As t increases without bound, what 1+49e-0.7t value does N (t) approach? Interpret your answer. How many people started the rumor? N (t) approaches (a) N (t) is limited by the number of poeple who started the rumor. (b) N (t) is limited by the carrying capacity of the town. (c) N (t) is limited by the rate at which the rumor spreads. (d) N (t) is limited by the number of days it takes for the entire population to hear the rumor. (e) N (t) is not limited by any value and increases without bound