1. f : R → R such that f(x) = 6x + 42 2. f : Z → Z such that f(x) = 7x + 34 3. g : R → R such that g(x) = x ^3 + 1
1. f : R → R such that f(x) = 6x + 42 2. f : Z → Z such that f(x) = 7x + 34 3. g : R → R such that g(x) = x ^3 + 1
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
Complete solution.
Are the following functions infective, surjective, bijective, or none of these? Explain why.
1. f : R → R such that f(x) = 6x + 42
2. f : Z → Z such that f(x) = 7x + 34
3. g : R → R such that g(x) = x ^3 + 1
4. h : R → R such that h(x) = 4x ^4 + x.
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