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Let S = { a,b,c,d } and T = { 1,2,3,4,5,6,7 }. How many functions are there from S into T?
explain your answer.
Solution
mappings from S to T since no of elements in S is 4 and no ofelements in T is 7 An
element in S can be mapped in 7 possible ways so 4 elements can be mapped in 7*7*7*7 ways
so in total 2401 ways

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  • 1. Let S = { a,b,c,d } and T = { 1,2,3,4,5,6,7 }. How many functions are there from S into T? explain your answer. Solution mappings from S to T since no of elements in S is 4 and no ofelements in T is 7 An element in S can be mapped in 7 possible ways so 4 elements can be mapped in 7*7*7*7 ways so in total 2401 ways