RELATIONS 1

Let R={(11,7), (5,1), (-2,-6), (11,-20)}. Find the domain and range of R.

solution

For domain we check on the values of x in each point.

Domain={11, 5, -2}

For range we check on the values of y in each point.

Range={7, 1, -6, -20}

 

Hence Domain = {11, 5, -2} and Range = {7, 1, -6, -20}

TRY THIS...............

Let R={(1,3), (-8,5), (-7,-4), (1, 6)}. Find the domain and range of R.