guevarajessejj guevarajessejj

07-01-2020
Mathematics

contestada

If g(x)=x+7, then g-1(x) =

Respuesta :

jimrgrant1 jimrgrant1

07-01-2020

Answer:

[tex]g^{-1}[/tex](x) = x - 7

Step-by-step explanation:

let y = g(x) and rearrange making x the subject, that is

y = x + 7 ( subtract 7 from both sides )

y - 7 = x

Change y back into terms of x

[tex]g^{-1}[/tex](x) = x - 7

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