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The following functions all have {1, 2, 3, 4, 5} as both their domain and codomain. For each, determine whether it is (only) injective, (only) surjective, bijective, or neither injective nor surjective. ? ? ? ? ✓1. f v 2. f = = 1 1 4. f(x) ✓ 3. f(x) = 1 2 3 2 4 3 2 3 4 5 1 2 2 3 = ſ³ X - X √x+2 6 - X 4 5 1 2 if x < 3 if x > 3 if x < 4 if x > 4

The following functions all have {1, 2, 3, 4, 5} as both their domain and codomain. For each, determine whether it is (only) injective, (only) surjective, bijective, or neither injective nor surjective. ? ? ? ? ✓1. f v 2. f = = 1 1 4. f(x) ✓ 3. f(x) = 1 2 3 2 4 3 2 3 4 5 1 2 2 3 = ſ³ X - X √x+2 6 - X 4 5 1 2 if x < 3 if x > 3 if x < 4 if x > 4

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter8: Graphing Quadratic Functions
Section: Chapter Questions
Problem 16CR
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The following functions all have {1, 2, 3, 4, 5} as both their domain and codomain. For each, determine whether it is (only) injective, (only) surjective, bijective, or neither injective nor surjective. ? ? ? ? v 1. f = v 2. f = 1 3. f(x) = { ✓ 4. f(x) = = 21 3 4 3 3 3 4 22 X X x + 2 6 - x 5 133) 4 5 1 2 if x < 3 if x > 3 if x < 4 if x > 4
Transcribed Image Text:The following functions all have {1, 2, 3, 4, 5} as both their domain and codomain. For each, determine whether it is (only) injective, (only) surjective, bijective, or neither injective nor surjective. ? ? ? ? v 1. f = v 2. f = 1 3. f(x) = { ✓ 4. f(x) = = 21 3 4 3 3 3 4 22 X X x + 2 6 - x 5 133) 4 5 1 2 if x < 3 if x > 3 if x < 4 if x > 4
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