Determine whether or not f is a function. Justify your answers. 1 a) f: RR where f(x) for every XE R for every ne Z b) f: Z → Z where f(n) - = x²-1 1 n²+1
Determine whether or not f is a function. Justify your answers. 1 a) f: RR where f(x) for every XE R for every ne Z b) f: Z → Z where f(n) - = x²-1 1 n²+1
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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Transcribed Image Text:3. Determine whether or not f is a function. Justify your answers.
1
a) f: RR where f(x)
for every XE R
for every ne Z
=
b) f: Z → Z where f(n)=
=
x²-1
1
n²+1
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