Lemma
MediumGraphs
OpenStax, Precalculus 2e §2.4 Fitting Linear Models to Data · Exercise 42 · Algebra · Graphs

Fitting Linear Models to Data · Exercise 42

Consider this scenario: The profit of a company decreased steadily over a ten-year span. The following ordered pairs show dollars and the number of units sold in hundreds and the profit in thousands of dollars over the ten-year span (number of units sold, profit) for specific recorded years:



Predict when the profit will dip below the $25,000 threshold.

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

~8 minWritten answer · check your work with Lemma

OpenStax, Precalculus 2e · §2.4 Fitting Linear Models to Data · Exercise 42

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.