Question 82683
From the information in the table providing values of f(x) and g(x), evaluate (f . g ) ^ -1 (2).


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

The answer I came out with was 4. 
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Form:  (f o g)^-1 = (g^-1 o f^-10
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Your problem becomes:
g^-1[f^-1(2)] 
 
g^-1[5]

= 1

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Cheers,
Stan H.