Consider the function f : {1,2,3,4,5} → {1,2,3,4} given by the table below: 1 2 3 4 5 f(x) | 3 2 4 1 2 (a) Is ƒ injective? Explain. (b) Is f surjective? Explain. (c) Write the function using two-line notation.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.4: Definition Of Function
Problem 19E
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Consider the function f : {1,2,3,4,5} → {1,2,3,4} given by the table
below:
1
2
3
4 5
f(x) | 3 2
4
1
2
(a) Is ƒ injective? Explain.
(b) Is ƒ surjective? Explain.
(c) Write the function using two-line notation.
Transcribed Image Text:Consider the function f : {1,2,3,4,5} → {1,2,3,4} given by the table below: 1 2 3 4 5 f(x) | 3 2 4 1 2 (a) Is ƒ injective? Explain. (b) Is ƒ surjective? Explain. (c) Write the function using two-line notation.
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