Question

Write the sum using summation notation, assuming the suggested pattern continues.

-1 + 2 + 5 + 8 + ... + 44

summation of negative three times n from n equals zero to fifteen
summation of the quantity negative one plus three n from n equals zero to fifteen
summation of negative three times n from n equals zero to infinity
summation of the quantity negative one plus three n from n equals zero to infinity
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