4. Classify each function as injective, surjective, bijective, or none of these. Mark and justify your answers. a. f: Z*Q* defined by f (n) = n-3 f is injective / not injective because f is surjective / not surjective because f is bijective / not bijective b. f: R* R* defined by f (x) = x-³ f is injective / not injective because f is surjective / not surjective because f is bijective / not bijective
4. Classify each function as injective, surjective, bijective, or none of these. Mark and justify your answers. a. f: Z*Q* defined by f (n) = n-3 f is injective / not injective because f is surjective / not surjective because f is bijective / not bijective b. f: R* R* defined by f (x) = x-³ f is injective / not injective because f is surjective / not surjective because f is bijective / not bijective
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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