Does this table represent a function? Why or why not?
X
у
2
1
3
4
3
3
4
2
5
5
A. No, because the y-values are positive,
B. Yes, because every x-value corresponds to exactly one y-value.
C. Yes, because there are different y-values.
D. No, because one x-value corresponds to two different y-values.
Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.