COLLEGE ALGEBRA
1st Edition
ISBN: 9781266065989
Author: Miller
Publisher: MCG
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Textbook Question
Chapter 2, Problem 99RE
Evaluate
a.
b.
c.
d.
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5. Consider the following vectors
0.1
3.2
-0-0-0
=
5.4
6.0
=
z= 3
0.1
For each of exercises a-e, either compute the desired quantity by hand with work shown
or explain why the desired quantity is not defined.
(a)
10x
(b)
10-27
(c)
J+Z
(d)
(x, y)
(e)
(x, z)
Consider the graph/network plotted below.
1
6
5
3
Explicitly give (i.e., write down all of the entries) the adjacency matrix A of the graph.
. Given the function f: XY (with X and Y as above) defined as
f(2) = 2, f(4) = 1,
ƒ(6)=3, ƒ(8) = 2,
answer the following questions. Justify your answers.
(a) [4 points] Is f injective?
(b) [4 points] Is f surjective?
(c) [2 points] Is f bijective?
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