Lemma
EasyExpressions
OpenStax, Precalculus 2e §12.4 Derivatives · Example 6 · Algebra · Expressions

Finding a Marginal Cost

The cost in dollars of producing laptop computers in dollars is At the point where 200 computers have been produced, what is the approximate cost of producing the 201^st unit?

~5 minWritten answer · check your work with Lemma

OpenStax, Precalculus 2e · §12.4 Derivatives · Example 6

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.

Your first check today doesn't need an account.

Your photos and PDFs are read once and not stored — only the transcription is kept.