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loris [4]
3 years ago
15

What is the inverse of the function fx=19/x3

Mathematics
1 answer:
laila [671]3 years ago
5 0

f(x) = \frac{19}{x^3}

Set f(x) = y and solve for x:

y = \frac{19}{x^3}

\frac{19}{y} = x^3

x = \sqrt[3]{\frac{19}{y} }

Now, switch the x and y:

y = \sqrt[3]{\frac{19}{x} }

Now, write it in the correct notation, and your answer is:

f^{-1}(x) = \sqrt[3]{\frac{19}{x} }

Hope I could help!

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