If function and inverse be

Both will seem to be opposite and similar .
Look at the first one
It is showing like 1 is function and other one is its inverse(Attachment )
Hence 1st one is the answer
Answer:
1st one is yes
Step-by-step explanation:
the other two im not sure about
Answer:
80,617
Step-by-step explanation:
the 1 in the tens place puts the number back down to 600
3/5 is greater because the decimal is .6 while 21/40 is .525