Question

A = {1, 2, 3, ..... 9, R is a relation on A Such that R= {(x, y): x, y belongs A, 2x -Y
i) Write R in roster form

ii) Find its domain and range​

Answer 1

Answer:

(i) R = { (1,2) ,( 2,4),(3,6),(4,8) }

(ii) domain ={1,2,3,4}

range ={ 2,4,6,8}