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

For every x over ℝ, find min, max of following expression

2. Relevant equations

y=8x^{4}/(x^{2}+1)^{2}+4x/(x^{2}+1)+1

3. The attempt at a solution

I've graphed it but it's really complex. How can I find that points? Thank you so much :)

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# Find min, max of an unfamiliar function

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