First 5 terms are: -1,0,3,8,15
Step-by-step explanation:
we will put n=1,2,3,4,5 to find first 5 terms of the sequence
Explicit formula for sequence is:

Putting n=1

Putting n=2

Putting n=3

Putting n=4

Putting n=5

Hence,
First 5 terms are: -1,0,3,8,15
Keywords: Arithmetic sequence, Common difference
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Hello,
sum=-8+5=-3
prod=-8*5=-40
==>x²+3x-40
Answer A
15% is 0.15 in decimal so
0.15 x 40 = 6
6 Classes is the answer
(t2 - 8t - 7) - (t2 + 5t - 6)
=t2 - t2 - 8t - 5t - 7 + 6
= -13t-1