An economist and a marketing manager discover that price P, in dollars, of CD players can be modeled with a quadratic formula, where n is the number of CD players (in millions) market demands. Find that equation if the demand n=1 million, the price P=$31.5, the demand n=3 million, the price P=$43.5, the demand n=5 million, the price P=$67.5, What points will you use to find the equation? Step 1. Write the system on equations: Step 2. Find the equation y b + b + 1x² + 1 |C= C = C =

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