Question

A={1, 2, 3,...., 9}, R is a relation on A such that R={(x, y):x, y € A, 2x-y=0}
1.write R in Roster form.
2.Find its domain and range​

Answer 1

Step-by-step explanation:

if y=1

2x-1=0

x=1/2

if y=2

2x-2=0

x=1.......

roster form=(1,1/2)(2,1)....

domain =1,2....

range =1/2,1.....

Answer 2

Answer:

roster form=(1,1/2)(2,1)....

domain =1,2....

range =1/2,1.....

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