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.

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
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Chapter7: Polynomial Equations And Factoring
Section: Chapter Questions
Problem 4CA
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Explain what the number you calculated in part (b) means in practical terms.

The balance     increases 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 + 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.
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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