Copper Mining The amount of copper ore produced from a copper mine in Arizona is modeled by the function f(x) = 200 + 32x where x is the number of years since 2005 and f(x) is mea- sured in thousands of tons. (a) Sketch a graph of f. (b) What is the slope of the graph? (c) At what rate is the amount of ore produced changing?

Q: 200 (0, 180) 150 (4, 133.2) (8, 98.57) 100 (12, 72.94) (16, 53.98) 50 0- 2 4 8 10 12 14 16 18 20…

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