Problem 1 of 7
Write polynomial constraint from design context area x(20-x) must be at least 75.
Hints
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
express feasible area/volume/revenue condition.
Hidden until you reveal it.
Express feasible area, volume, revenue, or design condition with domain.
Enter your answer
No answer yet
Correct
Your answer is equivalent to the expected form.
Solution
Walkthrough
Walkthrough shown
Full solution stays hidden until you ask for it.
1. Define the design variable.
2. Write polynomial expression for quantity.
3. Set equality or inequality and state feasible domain.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Missing physical bounds from dimensions or context.