March 7, 2005
Announcements
•
This Week: More differential equations and Review
•
Homework #8 (Week 9 Problems)
(Covers 9.1, 9.3 and 9.4; see web for assignment)
Due Tuesday, March 8  will not be collected.
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Office hours this week at MSC
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Chen: Monday 2:303:30, Wednesday 2:303:30,
Thursday 4:306:30.
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Dickerson: Monday 121, Thursday 12:301:30.
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Ross: Monday 4:305:30, Wednesday 4:305:30.
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Toro: Monday 12, Wednesday 23, Friday 24.
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Review session
lead by Dickerson, Thursday March
10, GUG 306, 6:308:30. For information see
http://staff.washington.edu/dickrson
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Math 125 Final Exam: Saturday, March 12, 2005,
1:30pm  4:20pm in GUG 224
Today
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More Differential Equations:
–
Continuously Compounded Interest.
–
§
9.5 The Logistic Equation.
1
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Continuously compounded interest
If an amount
A
0
is invested at an interest rate
r
, then after
t
years the value of the investment
is
A
0
(1 +
r
)
t
Usually interest is compounded more frequently,
say
n
times a year. Then in each compounding
period the interest rate is
r/n
and there are
nt
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 Spring '08
 varies
 Differential Equations, Calculus, logistic equation, Continuously Compounded Interest., nt compounding periods

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