Problem 34 of 7
Build a recursive arithmetic sequence model for A painter uses 15 gallons of paint for the first room and 8 more gallons for each additional room.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
define starting term and common difference.
Hidden until you reveal it.
Context must have constant additive change between terms.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify the first term.
2. Identify the common difference from one term to the next.
3. Write a_n in terms of a_(n-1).
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Explicit-only formula when recursive model is requested.