Answer:
.?
Step-by-step explanation:
#1 is A because the equation is pi x diameter which would be 18.84
Answer:
4 is the range of the function
Answer: A
<u>Step-by-step explanation:</u>
Create a table for y = x when x ≤ -1 and y = -x when x > 1.

Then, compare the coordinates from the table to the graph. The first graph, <em>which I consider to be graph A</em>, matches the coordinates from the table.