Find the first five terms of each sequence. a) a_1 = 2, a_n + 1 = a_n + 3 b) a_1 = -4, a_n + 1 = a_n + n^2

asked Dec 26, 2021 217k views

5 votes

Find the first five terms of each sequence.

a) a_1 = 2, a_n + 1 = a_n + 3

b) a_1 = -4, a_n + 1 = a_n + n^2

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Answer:

Explanation:

hello

$a_1=2\\a_2=a_1+3=2+3=5\\a_3=a_2+3=5+3=8\\a_4=a_3+3=8+3=11\\a_5=a_4+3=11+3=14$

$a_1=-4\\a_2=a_1+1^2=-4+1=-3\\a_3=a_2+2^2=-3+4=1\\a_4=a_3+3^2=1+9=10\\a_5=a_4+4^2=10+16=26$

hope this helps

AntonPalich answered Dec 30, 2021

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