Let's define the function f: R+R by f(x)= 2x + 5 (R is the positive reals.) Prove that f is one to one..
Let's define the function f: R+R by f(x)= 2x + 5 (R is the positive reals.) Prove that f is one to one..
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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Plz solve it correctly within 30-40 mins I'll upvote your answer
Transcribed Image Text:Let's define the function f: R+R by f(x) =
4x - 1
2x + 5
.(R+ is the positive reals.) Prove that f is one to one.
I am having issues with how to use the fact that
there are positive reals in the proof to show its 1-
to-1?
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