Answer:
Option d. is correct answer.
Step-by-step explanation:
<em>f(x) = [x]</em><em> </em>is the absolute value parent function.
Sorry I can’t see the pic
For this case we have:
Cost of manufactures of T-shirts 
where x represents the number of T-shirts
Part A:
Substituting
in the total cost equation you have to:

Thus, the cost of 8 shirts will be 
Part B:
If
then

Thus, the cost of 12 shirts will be 
Answer:

Answer:
angle DGC and angle CGB are adjacent angles
B is the answer when the parabola is facing down it is negative