karontb12 karontb12

12-06-2018
Mathematics

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What’s the inverse of y=100-x^2

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12-06-2018

[tex]y=100-x^2\ \ \ |+x^2\\\\y+x^2=100\ \ \ |-y\\\\x^2=100-y\\\\x=\sqrt{100-y}\\\\\text{Answer:}\ y^{-1}=\sqrt{100-x}[/tex]

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