Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Linear Transformations
Section6.CR: Review Exercises
Problem 41CR: For T:P4R5, and rank (T)=3, find nullity (T).
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Consider the rational inequality (x - 1)/(x + 2) ≥ 0. Setting the numerator and the denominator of (x - 1)/(x + 2) equal to zero, we obtain x = 1 and x = -2. These values are shown as points on the number line (see attached fig.). Also shown is information about three test values. Based on the information shown above, the solution set of (x - 1)/(x + 2) ≥ 0 is ______________
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