Given functions are


The total number of ducks and swans in the lake after n months can be determined by adding the functions s(n) and d(n).





Taking 2 as common, we get

Hence The total number of ducks and swans in the lake after n months is
Answer:
#1 is the answere
Step-by-step explanation:
Check the sides
Answer:
Step-by-step explanation:
-2
The correct answer is SSS