Question

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Answer 1

D = 5,6,7,8
R = 5,6,7,8
Function? Yes

Answer 2

Answer:D=5,6,7,8 R=5,6,7,8 fuction= yes

Explanation:

D = domain which is your X values and R is your range which is your Y values and sense each number of your X values goes to one of the Y values it is a fuction