Question

If A = {1,2,3) B = {x,y). then how many functions that can be defined from A
into B is​

Answer 1

Given: Set A = {1, 2, 3) and set B = {x, y}

To find: how many functions that can be defined from A into B ?

Solution:

• Now we have two sets A and B.

• A has 3 elements and B has 2 elements.

• Formula for number of functions from set A to set B is: n^m

• Where n belongs to the second set and m belongs to the first set.

                n^m = 2^3 = 8

Answer:

          So 8 functions are there that can be defined from A into B.

Answer 2

Answer:

Given: Set A = {1, 2, 3) and set B = {x, y}

To find: how many functions that can be defined from A into B ?

Solution:

Now we have two sets A and B.

A has 3 elements and B has 2 elements.

Formula for number of functions from set A to set B is: n^m

Where n belongs to the second set and m belongs to the first set.

                n^m = 2^3 = 8

Answer:

          So 8 functions are there that can be defined from A into B.

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