Mrmanman305
  • Mrmanman305
Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x. f of x equals four divided by x. and g of x equals four divided by x heeeeelp
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Vocaloid
  • Vocaloid
well right now we have f(x) = 4/x and g(x) = 4/x find f(g(x))
Mrmanman305
  • Mrmanman305
would you do 4(4/x)
Vocaloid
  • Vocaloid
should be 4/(4/x)

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Mrmanman305
  • Mrmanman305
sorry that sent twice
Vocaloid
  • Vocaloid
since f(x) = 4/x and g(x) = 4/x, replace "x" with "4/x" to get 4/(4/x)
Mrmanman305
  • Mrmanman305
is that equal to x?
Vocaloid
  • Vocaloid
well, you tell me. do you remember the rule for dividing by fractions?
Mrmanman305
  • Mrmanman305
oh yes. it would be equal to x lol
Vocaloid
  • Vocaloid
yup! f(g(x)) = x, and you can probably figure out that g(f(x)) also equals x since it's the same math process
Mrmanman305
  • Mrmanman305
much appreciation @Vocaloid thank you

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