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 + 10ot - 922 (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 10 12 14 1600 1600 1400 1400 1200 1200 1000 1000 B B B00 800 600 600 400 400 200 200 10 12 14 10 12 14 (b) Calculate dB at t = 2. dt dollars per month (c) Explain what the number you calculated in part (b) means in practical terms. The balance increases V by $ from month 2 to month 3.
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 + 10ot - 922 (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 10 12 14 1600 1600 1400 1400 1200 1200 1000 1000 B B B00 800 600 600 400 400 200 200 10 12 14 10 12 14 (b) Calculate dB at t = 2. dt dollars per month (c) Explain what the number you calculated in part (b) means in practical terms. The balance increases V by $ from month 2 to month 3.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
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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 + 10ot - 9:2
(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
10
12
14
1600
1600
1400
1400
1200
1200
1000
1000
B
B B00
800
600
600
400
400
200
200
10
12
14
10
12
14
(b) Calculate
dB
at t = 2.
dt
dollars per month
(c) Explain what the number you calculated in part (b) means in practical terms.
The balance increases V
by $
from month 2 to month 3.
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