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

Use the Intermediate Value Theorem and Rolle's Theorem to show that f(x) = 2x-2-cosx has exactly one root.

2. Relevant equations

3. The attempt at a solution

I'm not really sure what the question is asking for. the theorems I believe are to prove the existence of a point between a closed interval, but I have no interval, and what does it mean by "one root"

1. The problem statement, all variables and given/known data

2. Relevant equations

3. The attempt at a solution

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# Intermediate Value Theorem and Rolle's Theorem to show root

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