Let A-R\(-2), and define f: A-R by the formula f(a) a but not onto. 2a a+2 Prove that is one-to-one

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.4: Definition Of Function
Problem 54E
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Prove that f is one-to-oen but not onto

Let A R\{-2), and define f: A→R by the formula f(a)
but not onto.
=
2a
a+2
Prove that is one-to-one
Transcribed Image Text:Let A R\{-2), and define f: A→R by the formula f(a) but not onto. = 2a a+2 Prove that is one-to-one
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