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ani61

17.07.2020 •

Mathematics

Consider the function attached below

Consider the function attached below

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Ответ:

keagystacey

30.01.2022

2

Step-by-step explanation:

Hello,

$x=(fof^{-1})(x)=f(f^{-1}(x))=\sqrt{2f^{-1}(x)}+5\\\sqrt{2f^{-1}(x)} =x-5\\2f^{-1}(x)=(x-5)^2\\f^{-1}(x)=\dfrac{(x-5)^2}{2}$

now let's replace x by 7 it comes

$f^{-1}(7)=\dfrac{(7-5)^2}{2}=\dfrac{2^2}{2}=2$

hope this helps

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Ответ:

sarahholt517

12.02.2020

Break the figure into sections then add the areas of the individual sections.

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