(40 points) I need some help please. An answer definition is appreciated as well.
2 answers:
Answer:
-9
Step-by-step explanation:
We are summing the 3rd 4th and 5th terms because k goes from 3 to 5
The third term is
-2(3) +5 = -6+5 = -1
The fourth term is
-2(4) + 5 = -8+5 = -3
The fifth term is
-2(5) +5 = -10 +5 = -5
Add these 3 terms together
-1+-3+-5 = -9
IT IS -9 BUT THE OTHER GUY ANSWERED BEFORE ME SORRY LATE
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