there you go hope it helps :)
Answer:
A, C, and D all do because if you were to hold a pencil up vertically, the line would only intersect it once, if it intersected more, it is not a function
Step-by-step explanation:
3.006 rounded to the nearest tenth is 3.0. This is due to the fact that
the 6 rounded up will mean that the current 0 becomes 1, but this will
not be carried to the tenth when rounding up.