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- Jul 17th 2006, 01:14 PMBrookePre-test 6b Help Hurry
questions are on attachment!!!

- Jul 17th 2006, 04:04 PMgalactus
Hey Brookester:

Let's do #4. The bacteria.

What you need to do is use the given data and solve for k.

Once you know k, you can use that to solve the problem.

Given:

Solve for k:

Now use that in the problem to solve. The initial population is 50. Triple that is 150.

- Jul 17th 2006, 05:08 PMSoroban
Hello, Brooke!

I believe we're suppose to use:

where is the principal investment,

is the annual interest rate,

is the number of compounding periods per year,

is the number of years.

Quote:

2. An investment with an interest rate of 7% per annum yields $4000 in 3.5 years.

What is the present value for each compounding period?

. . A: annually . . B: semi-annually . . C: quarterly . . D: monthly

(A) annually:

(B) semi-annually:

You can do the other two . . .