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OpenStudy (anonymous):
n 1, 2, 3 , 4 f(n) -10, -13, -16, -19 is this an arithmetic sequence? what is the common difference?
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OpenStudy (anonymous):
Arithmetic sequences change by the same amount every time. Compare f(2)-f(1) to (f3)-f(2) and see whether you get the same difference. If you do, that difference is the common difference.
OpenStudy (anonymous):
yes, and 3?
OpenStudy (anonymous):
@Numb3r1
OpenStudy (anonymous):
Yup.
OpenStudy (anonymous):
awesome! thanks!!
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