The manager of a weekend flea market knows from experience that if he charges a dollars for a rental space at the flea market, then the number y of spaces he can rent is given by the linear function y = f(x) = 60 -6.x, x < 10. Which of the following statements are true? A. The y-intercept of the graph of f is 10 and this is the number of spaces that would be occupied if there were no charge for each space. B. The x-intercept of the graph of f is 10 and a $10 rental fee results in no spaces being rented. C. The slope of the graph of f is -6 which means that for each increase of $1 for a rental space, the number of spaces rented decreases by 6.

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