solve this question please:  Let X = {1, 2, 3}, Y = {1, 2, 3, 4}, and Z = {1, 2}:a. Define a function f : X → Y that is one-to-one but not onto . b. Define a function g: X → Z that is onto but not 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 63E
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solve this question please:

 Let X = {1, 2, 3}, Y = {1, 2, 3, 4}, and Z = {1, 2}:
a. Define a function f : X → Y that is one-to-one but not onto .

b. Define a function g: X → Z that is onto but not one to- one.

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