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7. Given f(x)=_x - 2x x--3x-4 a. Why does f define a function? b. Find Dom fand Range f. c. Graph y = f(x) in detail. Include
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os ME E liseks E for for Frode zemal asymptotes at ferred D E 212-37-4 *39-4 = 22-21 -3-40-27 -4 = -20+21 22-47 x=-4 graph cr

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