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D1 (mei) mark scheme help

Hey,

Basically I was doing a question today which involved linear programming. I was given a piece of text where we had to pick the constraint ourselves. 2 constraint were given but the other two I had to make (well, using the text).Unfortunately, I got one of the constraint wrong... I know I would lose one/two mark for this but would this affect the other continuing question? So, suppose picking the constraint question is (ii) but then (iii) + (iv) had questions regarding the graph(+ constraint) could I still get full marks using my wrong constraint, or would I be limited?

I am MEI, but of course tell me what other exam boards would do in his situation.

Cheers

P.S. I done my past paper alone, and my teacher is not to good.
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