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01-10-2020
Mathematics

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5.) Write the explicit formula for the arithmetic sequence. -18, -7, 4, 15, 26,...

Respuesta :

sqdancefan sqdancefan

01-10-2020

Answer:

an = -18 +11(n -1)

Step-by-step explanation:

We notice that the first term (a1) is -18, and the common difference (d) is -7-(-18) = 11. Filling these values into the form for the explicit formula gives ...

an = a1 +d(n -1)

an = -18 +11(n -1)

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