The vertex would be (1,4)
Answer:
x = y²
Step-by-step explanation:
Given
x =
and y = 
Note that
x =
=
×
= y²
Thus x = y²
Answer:
11 and 12
Step-by-step explanation:

meaning it lies between 11 and 12
do we have to simplify it or expand it coze it is already simplified
It is linear, this is what it looks like graphed