takodagunter takodagunter

08-01-2017
Mathematics

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What is the inverse of the given relation? y = 4x - 8

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kaevras kaevras

08-01-2017

Let y be x, and x be y.

x = 4y - 8

Rearrange to make y the subject.

x + 8 = 4y

Therefore

y = (x + 8) / 4

is the inverse.

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