Exam
Maths Puzzle
Algebra
Solve
x + 4y = 32
3x + 4y = -5
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Exam Other Question
Just need to double check.... Marginal profit is the slope of P. So, if 200 units sold result in $7500 profit and 120 units sold result in $4500 profit, would the marginal profit
3 - 9(4+x) + x
8x + 4(x-3) + 2(x-5)