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Let A = {1, 2, 3, … , 14}. Define a relation R from A to A by R = { ( x , y ): 3 x – y = 0, where x , y ∈ A}. Write down its domain, codomain and range. |
| Answer» Let A = {1, 2, 3, … , 14}. Define a relation R from A to A by R = { ( x , y ): 3 x – y = 0, where x , y ∈ A}. Write down its domain, codomain and range. | |