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

I'm unsure how to do this with the two variables please help

sorry it's actually f(x) = sqrt(a^2 - x^2)

2. Relevant equations

3. The attempt at a solution

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# Graph f(x) = sqrt(a^2 + x^2)?

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