dawnburns99 dawnburns99
  • 23-04-2019
  • Mathematics
contestada

what is the inverse function of f(x)=x+1​

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r3t40
r3t40 r3t40
  • 23-04-2019

[tex]f(x)=x+1\implies\boxed{f^{-1}(x)=\frac{1}{x+1}}[/tex]

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jimrgrant1 jimrgrant1
  • 23-04-2019

Answer:

[tex]f^{-1}[/tex](x) = x - 1

Step-by-step explanation:

Let y = f(x), that is

y = x + 1

Rearrange making x the subject

Subtract 1 from both sides

y - 1 = x ( change y back into terms of x for inverse )

x = y - 1, hence

[tex]f^{-1}[/tex](x) = x - 1

Answer Link

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