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Find the Requested Sum for the Arithmetic Sequence a1=−15, d=−1;S4\mathrm{a}_{1}=-15, \mathrm{~d}=-1 ; \mathrm{S}_{4}

Question 140

Multiple Choice

Find the requested sum for the arithmetic sequence.
- a1=−15, d=−1;S4\mathrm{a}_{1}=-15, \mathrm{~d}=-1 ; \mathrm{S}_{4}


A) -66
B) -18
C) -19
D) -60

Correct Answer:

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