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Write an
explicit formula for an, the nth term of the sequence 39, 43, 47, ....


Sagot :

9514 1404 393

Answer:

  an = 39 +4(n -1)

Step-by-step explanation:

The formula for the general term of an arithmetic sequence is ...

  an = a1 +d(n -1)

Here, the sequence has first term a1 = 39 and common difference d = 43-39 = 4. So, the general term is ...

  an = 39 +4(n -1)