It might be D in my opinion? But I probably did my work wrong.. sorry!
Answer:
Step-by-step explanation:
First, we will find the midpoint for the x - coordinate first.
Midpoint (x) = 
Now we will find the midpoint for the y - coordinate.
Midpoint (y) = 
Therefore from these 2 values we know that the midpoint of this 2 points is (-3.5,-0.5)
Answer:
f(x) is shifted 7 units to the right.
18 necklaces in 3 hours
18/3 = 6
6 necklaces in 1 hour
hope this helps