A way that I use to determine if something is a function or not is to ask whether or now it passes the “vertical line test”. In other words, does an x have two y’s? if we graphed these points, and proceeded to draw a vertical line through it, if it touches the function twice, then it is not a function. So I believe your answers would be A and C (In A, when x is 2, there are two y’s. Same goes with C, when x is 1, 4, 9 etc).
I hope this answer helps! :)
Answer:
471,906
Step-by-step explanation:
Complementary is combining in such a way as they emphasize the qualities of each other or another
Supplementary is completing or enhancing something
If you take 0.98 and multiply by 2.5 you get 2.45 so there is no better deal. ☺
