I think you meant "y = 4 arccot (x)."
This is equivalent to:
y
---- = arccot x
4
and so cot (y/4) = x
Answer:
Um it might be 1 but feel free to correct me if I'm wrong
The vertex form:

The axis of symetry is x = h.

We have

Substitute:

<h3>Answer: x = 3</h3>
Is there a picture to go along with it? Because it's asking for the measure of ABD which is a triangle or a ray or something