Question

؟ةةةةةةةةةةةةةةةةةةةةةة

Answer 1

(x,y)
Domain: list of all x
Range: list of all y
Domain here: {9,1,8}
Range here: {d,0,}
in set notation always write like {}
Don't repeat entries

Answer 2

domain = { 1, 8, 9 }

range = { 0, d }

Explanation:

see your other question.