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Verified answer
Jawab2x + y = 11
2x = 11- y
x = 11- y/2
a) W = y = (0,1,2,3,4,5,6,7,8)
domain R= x = (11/2 , 5, 9/2, 4, 7/2, 3, 5/2, 2, 3/2)
b. Range invers R = W