The second relation is a function.
For a relation to be a function, each x-value can only have a singular corresponding y-value. Since all other relations feature x-values with multiple y-values, the second relation is a function.
0.12 I think I’m not sure how to do this I ji at have an idea maybe I’m super wrong
We have,

To express periodic number calculated we use:

Hope this helps.
r3t40
Answer:
that would be -2200 sorry if im wrong
Step-by-step explanation:
Answer:
choice B
Step-by-step explanation:
the war was fought in paterots homes because they had know were else to go