what is the domain of the function shown in the table?
X: 3 5 7 9
Y: -4 -3 3 4
A. (3,-4), (5,-3), (7,3), (9,4)
B. {-4,-3,3,4,5,7,9}
C. {3,5,7,9}
D. {-4,-3,3,4}
HELP ASAP!
