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QT(P) = 1500−P

QL(P) = 4000−4P

Derive the combined demand function for the market.

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closed as off-topic by Art, Kent Shikama, Giskard, Adam Bailey, Jamzy Oct 10 at 14:49

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "This question does not meet the standards for homework questions as spelled out in the relevant meta posts. For more information, see our policy on homework question and the general FAQ." – Art, Kent Shikama, Giskard, Adam Bailey, Jamzy