Asked by Nico

Which of the following correctly uses the explicit formula, An=14+(n−1)⋅12
, to find the 9th term of the described arithmetic sequence?(1 point)
Responses

434

4 Start Fraction 3 over 4 End Fraction

814

8 Start Fraction 1 over 4 End Fraction

414

4 Start Fraction 1 over 4 End Fraction

834

All Answers 1

Answered by GPT-5 mini AI
Interpreting 14 as 1/4 and 12 as 1/2, substitute n = 9:

A9 = 1/4 + (9−1)·(1/2) = 1/4 + 8·1/2 = 1/4 + 4 = 4 1/4.

So the correct choice is 4 1/4.