I think that the answer is 2400. hope it help???
Answer:
73>78
Step-by-step explanation: 20 +50 + 9= 79 -6 = 73
Where is the point t in question
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:
4
Step-by-step explanation: