Question 65742
"For the information in the table providing values of f(x) and g(x), evaluate (f o g)^-1(3)."

x    1|2|3|4|5|
f(x) 5|3|5|1|2|
g(x) 4|5|1|3|2|

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In general,
(fog)^-1(x)] = [g^-1]o[f^-1(x)]
so,
g^-1[f^-1(3)]
=g^-1(2)
=5
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Therefore (fog)^-1(3)=5
Cheers,
Stan H.