andre10djzk andre10djzk

09-12-2021
Mathematics

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5. (5 points) Write the first 5 terms of the sequence if a1 = 9 and an-1 +n

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coolkiddo30 coolkiddo30

09-12-2021

Answer:

9,4,-1,-6,-11

Step-by-step explanation:

When n = 1: a(1+1) =a(1) +1

a(2) = -9 +1

a(2) = -8

When n = 2: a(2+1) =a(2) + 2

a(3) = -8 + 2

a(3) = -6

When n = 3: a(3+1) = -6 + 3

a(4) = -3

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