The amount of copper ore produced from a copper mine in Arizona is modeled by the function f x 100 36x where x is the number of years since 2005 and f x is measured in thousands of tons a Sketch a graph of f 900 800 700 600 500 400 300 200 100 900 800 700 600 500 10 15 20 25 30 X 900 800 700 600 500 400 300 200 100 900 800 700 600 f 500 5 10 15 20 25 30