a. If Daniella opens a mutual fund account with a deposit of $15,000 and it promises to pay an annual interest rate of r%, compounded on a monthly Derive a function B, which shows the balance on Daniella′s account the end of 6 Make a comparison of the rates of change in B with respect to the interest rate when r is 8% , 10% and 12%.   b. A virus is believed to be spreading through a sheep farm according to that equation N = 450 (       1           )                 1 + 249e−0.1t where N is the number of sheep infected and t is the number of days. How many sheep are infected at t = 0? Using a spreadsheet calculate the number of sheep infected after 0, 10, 30, 50, 70, 100 days) Will all the sheep become infected eventually? Give reasons to support your answer

Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
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a. If Daniella opens a mutual fund account with a deposit of $15,000 and it promises to pay an annual interest rate of r%, compounded on a monthly

  • Derive a function B, which shows the balance on Daniellas account the end of 6
  • Make a comparison of the rates of change in B with respect to the interest rate when r is 8% , 10% and 12%.

 

b. A virus is believed to be spreading through a sheep farm according to that equation

N = 450 (       1           )

                1 + 249e−0.1t

where N is the number of sheep infected and t is the number of days.

  • How many sheep are infected at t = 0?
  • Using a spreadsheet calculate the number of sheep infected after 0, 10, 30, 50, 70, 100 days)
  • Will all the sheep become infected eventually? Give reasons to support your answer
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