Answer:
Divisor
Step-by-step explanation:
Given

Required
What does n represents
In arithmetic, the number that divides another is referred to as divisor;
Take for instance;

This implies that when 5 is divided by 3, the remainder is 2
The bold text (divided by 3) means that 3 is the divisor of 5;
When compared to 
We have that
n = 3
<em>Reason being that, n and 3 are in the same position base on order of appearance;</em>
Hence, n represents the divisor
Answer:
B. It makes the graph really narrow.
Step-by-step explanation:
![\displaystyle Y = A[X - H]^2 + K](https://tex.z-dn.net/?f=%5Cdisplaystyle%20Y%20%3D%20A%5BX%20-%20H%5D%5E2%20%2B%20K)
In the Vertex Formula, any <em>fraction</em><em> </em>you store in for <em>A</em><em> </em>will result in a <u>vertical</u><u> </u><u>shrink</u>, widening the graph, whereas any <em>whole number</em> you store in for <em>A</em> will result in a <u>vertical stretch</u>, narrowing the graph.
I am joyous to assist you at any time.