Question

Write an explicit formula for An, the nth term of the sequence 35, 42, 49, ....

Answer 1

Based on the information given, the explicit formula for the sequence will be a + 7(n - 1).

Solving the equation

From the sequence, the numbers given are 35, 42, 49, ... Therefore, the common difference will be:

= 49 - 42

= 7

Therefore, the formula to find the nth term will be:

= a + (n - 1)d

= a + 7(n - 1)

Learn more about arithmetic progression on:

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