A it is a many to one function
Answer:
Distance between -23 & 17 = 40
Step-by-step explanation:
Answer:
I believe the answer is b
Step-by-step explanation:
I might be wrong
Answer:

Step-by-step explanation:
Given

Required
The vertex
We have:

First, we express the equation as:

Where

So, we have:

--------------------------------------------
Take the coefficient of x: -1
Divide by 2: (-1/2)
Square: (-1/2)^2
Add and subtract this to the equation
--------------------------------------------



Expand

Factorize

Factor out x - 1/2




Compare to: 


Hence:
