Question 417939
Can somebody PLEASE help me with this question, I have tryed to do it so many times, but just can't seem to figure it out. Any help would be appreciated!:) 
a.)For the sequence 0,3,8,15,24....what would be the next three terms?
Notice that each number is 1 less than a perfect square.
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1st term: 1^2-1
2nd term: 2^2-1
3rd term: 3^2-1
....
6th term: 6^2-1 = 35
7th term: 6^2-1 = 48
8th term: 8^2-1 = 63
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b.)What would be the function f(x) that would correspond to this sequence?
f(x) = x^2-1
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c.)what would the general term tn for the nth term of this sequence be?
t(n) = n^2-1
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d.)How would you describe this sequence recursively, and write a recursive formula for this sequence?
a(n) = a(n-1)+2n-1
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e.)How would you find the 13th term of this sequence, using your formula from b.?
f(13) = 13^2-1 = 168
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Cheers,
Stan H.