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

Prove that 1/9 ≤ sqrt(66)-8 ≤ 1/8

2. Relevant equations

Question comes with:

Use the mean value theorem

(f(b) − f(a)) / (b − a)

3. The attempt at a solution

I can do "find c" problems fine with MVT, but I have no idea how to prove an inequality. I tried using sqrt(x) as a function, but got stuck. Don't know C.

Thanks!

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# Prove Inequality with Mean-Value Theorem

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