Answer:
Option D. minimum value at −38
Step-by-step explanation:
we have

Let

Complete the square




------> equation of a vertical parabola in vertex form
The vertex is the point 
The parabola open upward-----> the vertex is a minimum
therefore
minimum value at −38
Answer:

Step-by-step explanation:
can also be written as 

Simply to 
-OTHER METHOD-
can be simplified to 

70: 1,2,5,7,10,14,35,<span>70
20: 1,2,4,5,10,20</span>
Sorry
, their is no image attatched
The dilation factor Sophia is using appears to be
(image coordinate)/(original coordinate) = -9/-3 = 15/5 = 3
Then the problem tells us
(pre-image point)×3 = (3, 1)
so we conclude
(pre-image point) = (3, 1)/3 = (1, 1/3)