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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?

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?

Advanced Engineering Mathematics
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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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?
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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