Answer:
D for the first one and D for the second one.
Step-by-step explanation:
Answer:
9,991
Step-by-step explanation:

If the blue piece is half of the length of green, which is 12, then the blue piece would be 6cm long. 12 + 6 would represent the total length of both pieces, which is 18.
9514 1404 393
Answer:
3
Step-by-step explanation:
The definition of an inverse function is ...
f^-1(f(x)) = x
Then ...
f^-1(f(3)) = 3