Long answer·Hard exam skill (4/5)·No calculatorNeeds mentor review
Difficulty guide
The label describes the problem, not your ability.
1/5 - Foundational
Warm-up setup; checks one basic idea.
2/5 - Routine exam skill
Normal syllabus skill; usually one main rule or interpretation.
3/5 - Standard multi-step
Exam-style problem with multiple steps or a common trap.
4/5 - Hard exam skill
High-end exam problem; combines methods carefully.
5/5 - Challenge
Stretch problem beyond normal exam pressure.
Question
Graph the constraints and find the vertices of the feasible region.
Total: 5 marks
(a) Find the intercepts of the two boundary lines. (2 marks)
(b) Find the intersection of the two lines. (2 marks)
(c) List the feasible-region vertices. (1 mark)
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