3. FOR THE PORTION OF THE GRAPH SHOWN, THEREWHICH RESULTS IN 2.986...

30. 3. For the portion of the graph shown, therewhich results in 2.986, meaning a minimumare three values ofxwhere f(x) = 0.of 3 gallons of paint is needed. Since thepaint costs $14 a gallon, to find the cost of

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the paint, simply multiply 14 by 3 = $42.

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