Question

Rosy is really getting tired of the loud group behind her in BioCalculus class, so she decides to spread a rumor about them to her closest friends. Rosy is very popular and has many friends. The number of friends of Rosy, , who have heard the rumor by time in hours since the rumor started to spread can be approximated by a function of the form

N ( t) =  L / 1 + C e^- k t If you are given the following values for the variables of the function L = 124 C = L - 1 (that is whatever your value of L equal take minus 1 for the value of C)

k = 0.2

a)How many people knew the content of the rumor when it began spreading? Round to the nearest person.

b)when is the rumor spreading the fastest (in hours) and how many people heard the rumor at this time ?

please answer with steps.thanks in advance

Answer 1