*4. Determine whether each of the following functions is a linear transformation. If so, provide a proof; if not, explain why. X1 +2x2 X1 +2x2 а. Т b. T X2 X2

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter7: Eigenvalues And Eigenvectors
Section7.CM: Cumulative Review
Problem 16CM
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linear algebra 2.2 Q 4

*4. Determine whether each of the following functions is a linear transformation. If so,
provide a proof; if not, explain why.
X1
X1 + 2x2
X1
X1 + 2x2
а. Т
b. T
=
X2
X2
2 Linear Transformations: An Introduction
101
X1 + 2x2
-C)-
X1
X1
с. Т
= x1 – X2
е. Т
X2
X2
X2
-X1 + 3x2
X1
|x2|
d. T
f. T: R" → R given by T (x) = ||x||
X2
3x1
Transcribed Image Text:*4. Determine whether each of the following functions is a linear transformation. If so, provide a proof; if not, explain why. X1 X1 + 2x2 X1 X1 + 2x2 а. Т b. T = X2 X2 2 Linear Transformations: An Introduction 101 X1 + 2x2 -C)- X1 X1 с. Т = x1 – X2 е. Т X2 X2 X2 -X1 + 3x2 X1 |x2| d. T f. T: R" → R given by T (x) = ||x|| X2 3x1
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