Suppose $q : A \rightarrow B$ And $f : B \rightarrow C$

question 194

Short Answer

Suppose $q : A \rightarrow B$ and $f : B \rightarrow C$ where A={1,2,3,4}, B={a, b, c}, C={2,7,10}, and } , and $f$ and g are defind by g={(1, b),(2, a),(3, a),(4, b)} and $f$ ={(a, 10),(b, 7),(c, 2)} . Find $f ^ { - 1 }$ .

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