Answer:
the one you've selected pink, (the one that looks like a U)
Step-by-step explanation:
if you can pass a vertical line through a supposed function and have it only cross once, it's a function.
Answer:
im sorry this seems to not be correctly stated
Step-by-step explanation:
a the side lengths must be = but only opposite angles must be = it COULD be a square but is could be many other things.