avaalbanese2738 avaalbanese2738

26-03-2021
Mathematics

contestada

Pls help me calculate the inverse of y equals 2x over x-7

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faisal4craft7 faisal4craft7

26-03-2021

y = 2x/x-7

x = 2y/y-7

xy - 7x = 2y

-7x = 2y - xy

-7x = y(2-x)

y = -7x / 2-x

y = 7x / x-2

f-¹(x) = 7x / x-2

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