SOLUTION: write the series -7,-4,-1,2,... using summation notation Thank you:)

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Question 1075535: write the series -7,-4,-1,2,... using summation notation
Thank you:)

Answer by Lightning_Fast(78) About Me  (Show Source):
You can put this solution on YOUR website!
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Starts at one. End behavior is positive so the coefficient of x must be positive. Initially negative so find the value where x=1 such that the result is -7. The value was 10.