mak248
mak248 mak248
  • 24-03-2017
  • Mathematics
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I don't understand how to do this at all. Please help!! :)

I dont understand how to do this at all Please help class=

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Ineedhelp1234 Ineedhelp1234
  • 24-03-2017

Only injective (one-to-one) functions have inverse functions. Determine if f(x)=12x−2 is injective (one-to-one) to find its inverse function.
Injective (One-to-One)Replace f(x) with y.y=12x−2Interchange the variables.x=12y−2Solve for y.y=2x+4Solve for y and replace with f−1(x)
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