1. Let A = {r E R : e # 2} and define f : A R by f(x) = . 5r+1 I-2 (a) Show thatf is one-to-one. (b) Show that if y + 5, then y E rng f. (c) Show that 5 ¢ rng f.
1. Let A = {r E R : e # 2} and define f : A R by f(x) = . 5r+1 I-2 (a) Show thatf is one-to-one. (b) Show that if y + 5, then y E rng f. (c) Show that 5 ¢ rng f.
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter6: Vector Spaces
Section6.5: The Kernel And Range Of A Linear Transformation
Problem 30EQ
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