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Lostintime
Lostintime Lostintime
  • 07-02-2017
  • Mathematics
Answered

Verify if 1/2x-2 and g(x) = 2x + 4 are inverses

Verified Answer :

Anonymous Anonymous
  • 07-02-2017

they are inverses if f( (g(x)) = x

f((g(x)) =  (1/2) (2x + 4) - 2  = x + 2 - 2 = x

so this proves that g(x) is the inverse of f(x)

the other inverse g((f(x))  should also be = x

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