ayeitsmir5898
ayeitsmir5898
27-05-2018
Mathematics
contestada
if f(x) = 9x+1, find f^-1 (f(3))
Respuesta :
Аноним
Аноним
27-05-2018
f(3) = 9(3) + 1 = 28
f-1(x) = (x - 1)/9
so f^-1 (f(3)) = (28-1) / 9 = 3 (answer)
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Please help 3 x + 1 ≤ − 2 OR 3 x + 1 > 5
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