4. Consider the function f: R → P(R) defined as f(x) = {y ER|y²

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
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4. Consider the function f : R → P(R) defined as f(x) = {y < R|y² <x}
(a) Find f(4) and write it as an interval.
(b) Prove that f is not onto.
Transcribed Image Text:4. Consider the function f : R → P(R) defined as f(x) = {y < R|y² <x} (a) Find f(4) and write it as an interval. (b) Prove that f is not onto.
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