(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Prove that: [tex]y^5+y^2-7y+5\geq 0[/tex] ,for all [tex]y\geq 1[/tex]

2. Relevant equations

3. The attempt at a solution

[tex]y^5\geq 1[/tex] and [tex]y^2\geq 1[/tex] => [tex]y^5+y^2\geq 2[/tex].

Also [tex]-7y+5\leq -2[/tex] , and then?

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# Homework Help: Inequality problem

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