
<h3>Given:</h3>
▪ 
You need to remember that the form of an Absolute Value Function is:
•<em> </em><em>For the vertex:</em>


• <em>For the</em> definition:
If "a" is positive (+) , then the range of the function is:

If "a" is negative (-), the range of the function is:

In this case we can identify that:




Answer:
-4i = 4(cos 270 +i sin 270)
Step-by-step explanation:
We have a+ib = r(cosθ+isinθ)

Here a = 0 and b = -4
Substituting

-4i = 4(cos 270 +i sin 270)
Answer:
D.
Step-by-step explanation:
