mook2xx mook2xx

19-01-2018
Mathematics

contestada

let f(x) =7x-13. Find f -1(x)

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jalenwesley2018 jalenwesley2018

19-01-2018

if you’re trying to find f(-1) it would be -20

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gustanika gustanika

19-01-2018

f(x) = 7x - 13
y = 7x - 13
7x - 13 = y
7x = y + 13
x = (y + 13)/7
f^-1(x) = (x + 13)/7

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