A real estate agent agrees to sell an apartment complex according to the following commission schedule: $40,000 plus 25% of the selling price in excess of $700,000. Assuming that the complex will sell at some price between $700,000 and $1,000,000 inclusive, over what ange does the agent's commission vary? How does the commission vary as a percent of selling price?

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graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.

answer: what are the following choices

answer is b

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