The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands). Use a graphing calculator to model the data with a linear function that predicts the number of products sold as a function of the cost of advertising. 4 Cost 9 2 3 2 5 9 10 Number 85 52 55 68 67 86 83 73 OA. y 55.8-2.79x OB. y = 26.4 +1.42x OC. y=-26.4-1.42x 55 83 70 ~

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