The domain of the following relation: R: {(-4, 3), (3, 6), (-2, 1), (3, 6)} is (1 point) A.(1, 3, 6}
B.{-4, 3, -2,3)
C.{-4, -2,3)
D. No domain exists

You are choosing between two health clubs. club a offers membership for a fee of $ 28 plus a monthly fee of $ 20. club b offers membership for a fee of $ 20 plus a monthly fee of $ 22. after how many months will the total cost of each health club be the same? what will be the total cost for each club? in __ months the total cost of each health club will be the same.