11. (2.3.34) Let f: BC and g: A B be functions. (a) Prove or disprove the following statement: If fog: AC is an injection, then g: A B is also an injection. (b) Prove or disprove the following statement: If fog: AC is an injection, then f: BC is also an injection.
11. (2.3.34) Let f: BC and g: A B be functions. (a) Prove or disprove the following statement: If fog: AC is an injection, then g: A B is also an injection. (b) Prove or disprove the following statement: If fog: AC is an injection, then f: BC is also an injection.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.3: The Natural Exponential Function
Problem 51E
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