Mathematics: Find the inverse of the function. y = 2x^2 –4

Find the inverse of the function. y = 2x^2 –4

Ответ:

pattydixon6

01.01.2022

$y=2x^2-4\ \ \ |add\ 4\ to\ both\ sides\\\\2x^2=y+4\ \ \ |divide\ both\ sides\ by\ 2\\\\x^2=\dfrac{y+4}{2}\\\\x=\sqrt{\dfrac{y+4}{2}}\\\\\boxed{f(x)=2x^2-4\to f^{-1}(x)=\sqrt{\frac{x+4}{2}}}$

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Ответ:

holycow7868

28.12.2022

Mathematics

a) C = n(8.95)+50

b) $604.9

c) Jakub ordered 103 T-shirts

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Find the inverse of the function. y = 2x^2 –4

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