10 12 14 10 12 14 (b) Calculate dB at t = 2. dt 64 dollars per month (c) Explain what the number you calculated in part (b) means in practical terms. The balance (increases V by $ 17 |x from month 2 to month 3.
10 12 14 10 12 14 (b) Calculate dB at t = 2. dt 64 dollars per month (c) Explain what the number you calculated in part (b) means in practical terms. The balance (increases V by $ 17 |x from month 2 to month 3.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
Explain what the number you calculated in part (b) means in practical terms.
The balance increases by $ __ from month 2 to month 3.
Transcribed Image Text:The balance B, in dollars, of your checking account is a function of t, the number of months since the account was opened. The balance is given by the following
formula.
B = 1150 + 100t - 92
(a) Use your calculator to make a graph of B versus t covering the first 15 months.
1600
1600
1400
1400
1200
1200
1000
1000
B B00
B B00
600
600
400
400
200
200
10
12
14
8
10
12
14
1600
1600
1400
1400
1200
1200
1000
1000
B B00
B 800
600
600
400
400
200
200
6
10
14
10
12
14
(b) Calculate dB
at t = 2.
dt
64
dollars per month
(c) Explain what the number you calculated in part (b) means in practical terms.
The balance increases
by $ 17
from month 2 to month 3.
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