camilauren camilauren

14-09-2015
Mathematics

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What is the inverse of f(x)= cube root of x +2.

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Panoyin Panoyin

14-09-2015

[tex]f(x) = \sqrt[3]{x + 2} \\y = \sqrt[3]{x + 2} \\y^{3} = x + 2 \\x^{3} = y + 2 \\x^{3} - 2 = y \\x^{3} - 2 = f^{-1}(x)[/tex]

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