a. f. Z → Z b. f. R → R c. f. Z+ → R f(x) = -4 [2x+4 x<3 x+7 x ≥3 f(x) = { f(x)= x + 1.5
a. f. Z → Z b. f. R → R c. f. Z+ → R f(x) = -4 [2x+4 x<3 x+7 x ≥3 f(x) = { f(x)= x + 1.5
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
Determine if the following functions are one-to-one, onto, both, or
neither. Please include detail of how you got to the conclusion.

Transcribed Image Text:a. f. Z → Z
b. f. R → R
c. f. Z+ → R
f(x) = -4
[2x+4 x<3
x+7 x ≥3
f(x) = {
f(x)= x + 1.5
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