sebarr41 sebarr41
  • 27-01-2017
  • Mathematics
contestada

find the inverse of y = 3x+9

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Аноним Аноним
  • 27-01-2017
i got y-9/3  im pretty sure its right.
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Аноним Аноним
  • 27-01-2017
y = 3x-9

first interchange x and y

x = 3y -9

solve for y

x + 9 = 3y

x/3 + 3 = y

y is the inverse, you can call it y^-1

y^-1 = x/3 + 3

hope this helps
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