OpenStax, Algebra and Trigonometry 2e §4.1 Linear Functions · Example 7 · Algebra · Graphs

Using a Linear Function to Determine the Number of Songs in a Music Collection

Marcus currently has 200 songs in his music collection. Every month, he adds 15 new songs. Write a formula for the number of songs, $N,$ in his collection as a function of time, $t,$ the number of months. How many songs will he own at the end of one year?

Its source prints no answer for this problem, so there's nothing to check against.

~5 minWritten answer · compare with the solution

OpenStax, Algebra and Trigonometry 2e · §4.1 Linear Functions · Example 7

Stuck? A gentle nudge

No hints for this one.

Something off?

Workspace

Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.