f: X → Y and g: Y→ V be bijective functions. Show the following: ) gof: X → V is injective. gof: X→V is surjective. 【 (g° ƒ)−¹ = ƒ−¹ og¯¹

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.5: Graphs Of Functions
Problem 29E
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f: X→ Y and g: Y→ V be bijective functions. Show the following:
) gof: XV is injective.
) gof: X→ V is surjective.
(gof)-¹f-¹ og ¹
=
Transcribed Image Text:f: X→ Y and g: Y→ V be bijective functions. Show the following: ) gof: XV is injective. ) gof: X→ V is surjective. (gof)-¹f-¹ og ¹ =
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