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F (x)=(3x+1)(x^-3x-6)
asked
Sep 9, 2019
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F (x)=(3x+1)(x^-3x-6)
Mathematics
middle-school
Mikhail Baksheev
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Mikhail Baksheev
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1
Answer
4
votes
Replace
f
(x)
f
(x)
with
yy
.
y=3x−6
y=3x-6
Interchange the variables.
x=3y−6
x=3y-6
Solve for
yy
..
y=2+
x3
y=2+
x3
Solve for
yy
and replace with
f
−1
(x)
f
-1
(x)
.
f
−1
(x)
=2+
x3
AMA
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Sep 14, 2019
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AMA
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