Respuesta :

folaoye515

Step-by-step explanation:

its in the picture

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Answer:

f^-1(x) = (x - 4)/3

Step-by-step explanation:

y = 3x + 4

Make x the subject

3x = y - 4

x = (y - 4)/3

Interswitch variables

f^-1(x) = (x - 4)/3

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