Question

1)A company invests $10000 in a CD that earns 5% compounded continuosly. How long will it take for the account to be worth $15000?

2)

A news item is spread by word of mouth to a potential audience of

4,000 people. The following function models the number of people who have heard the news after t days. Complete parts​ (a) through​ (g) below.

f(t)= 4000/1+50e^-0.6t

Im not understanding parts E-G. Can you please help me?

E) Approximately when will the news spread at the greatest​ rate?

F) Use the equations y= M/1+Be^-Mkt and y' =ky(M-y) to determine the differential equation satisfied by f(t).

G)

At what rate will the news spread when half of the potential audience has heard the​ news?

Answer 1