(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 :)

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Find min, max of an unfamiliar function

**Physics Forums | Science Articles, Homework Help, Discussion**