Answer:
On a coordinate plane, an absolute value graph has a vertex at 
.
Explanation:
Let 
, 
is a parent absolute value, whose vertex is located at 
. Then, 
is translated horizontally two units in the +x direction and vertically one unit in the -y direction. Hence, the vertex is located at .
Lastly, we include a graph for below.
Answer:
One reason why this is believable is because di Coppo Di Stefano Buonaiuti was in Florence at the time when the Black Death hit Florence in 1338. One reason why this passage isn't believable is because he was only two when it happened so might not remember it all.
Most disturbing and horrific would probably be the way that workers could be mutilated by the machines or by human error and nobody would care about that. They would have to keep working without fingers or hands because not working would mean the end of their families. The injuries sometimes didn't have to be mutilation but were still severe.
