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schepotkina [342]
3 years ago
9

If f(x) = 9x+1, find f^-1 (f(3))

Mathematics
1 answer:
Nookie1986 [14]3 years ago
7 0
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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