PRECALCULUS: ALEKS
1st Edition
ISBN: 9781260505436
Author: Miller
Publisher: MCG
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Textbook Question
Chapter 8.3, Problem 21PE
For Exercises 21-42, find the partial fraction decomposition. (See Examples 3-6)
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1. A bicyclist is riding their bike along the Chicago Lakefront Trail. The velocity (in
feet per second) of the bicyclist is recorded below. Use (a) Simpson's Rule, and (b)
the Trapezoidal Rule to estimate the total distance the bicyclist traveled during the
8-second period.
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0 2
4 6 8
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12 10 16
2. Find the midpoint rule approximation for
(a) n = 4
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2
3
4
5
6
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8
4
1
2
3
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5
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A 4 8 0.5
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Consider the following system of equations, Ax=b :
x+2y+3z - w = 2
2x4z2w = 3
-x+6y+17z7w = 0
-9x-2y+13z7w = -14
a. Find the solution to the system. Write it as a parametric equation. You can use a
computer to do the row reduction.
b. What is a geometric description of the solution? Explain how you know.
c. Write the solution in vector form?
d. What is the solution to the homogeneous system, Ax=0?
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