## 05. Let = { 1 , 2 , 3 } and = { 4 , 5 , 6 , 7 }a) Can you make an invertible function from A to B ? Why ? [1]b) Let f be a function from A

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05. Let = { 1 , 2 , 3 } and = { 4 , 5 , 6 , 7 }a) Can you make an invertible function from A to B ? Why ? [1]b) Let f be a function from A to B defined by = { 1,4 , 2,5 , (3,7)} and g be a function from B to A defined by g = { 4 , 1 , 5 ,1 , 6 , 2 , (7 , 3)}. Find ​

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