C is the answer. By only looking at the domain (the stuff on the right in the functions), you can see that the first equation has a hole at x=2, meaning it does not have a value here at x=2. When x<2, there are values for the 1st function. When x>2, there are values for the second function, as well as when x=2
Answer:
2x +21
Step-by-step explanation:

The first part is 8 x 40=320
8 x 7=56
320+56 and i am not sure what you have going on on the other half
Answer:
-1
Step-by-step explanation:
we would use the slope formula which is y2-y2/x2-x1
so 3-4/5-4= -1
Answer:
5000 cm3
Step-by-step explanation:
find radius
cal the volume