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Consider the sequence 7,  3, −1, −5,−9, … .

What is the explicit rule for the sequence?

Enter your answer in the box. Enter the simplified form of the rule.

an=

Respuesta :

Answer:

  [tex]a_n=\,\boxed{11-4n}[/tex]

Step-by-step explanation:

The sequence has a common difference of 3-7 = -4 and a first term of 7. Using the explicit formula ...

  an = a1 +d(n -1)

we can fill in those values to find ...

  an = 7 -4(n -1)

  an = 11 -4n