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25-07-2019
Mathematics

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If g(x) is the inverse of f(x) and f(c)=4x+12 what is g(x)?

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Аноним Аноним

25-07-2019

Answer:

[tex]g(x) = \frac{x}{4} - 3[/tex]

Step-by-step explanation:

[tex]f(x) = 4x + 12[/tex]

[tex]y = 4x + 12[/tex]

[tex]x = 4y + 12[/tex]

[tex]x - 12 = 4y[/tex]

[tex] \frac{x}{4} - 3 = y[/tex]

[tex]g(x) = \frac{x}{4} - 3[/tex]

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