Factor completely n^4-1
2 answers:
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Answer:
Hence, the equation that represents the number of songs she will have after 104 weeks is:
Step-by-step explanation:
It is given that:
originally had 47 songs but plans to purchase 3 new songs each week. She wants to know how many songs she will have after 104 weeks.
Based on the data we see that:
Initial number of songs she has:
The number of songs she will have after second week is:
After Third week:
and so on:
After 104 weeks she will have:
Hence, option: C is the correct answer.
( This could also be seen as it form an arithmetic progression with initial term as a=47 and common difference i.e. d=3
Hence, the nth term is given by:
)