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An inferior product with an extensive advertising campaign does well when it js released, but sales decline as people discontinue use of the product. If the sales S (in thousands of dollars) after t weeks are given by 230t S(t t20 )=(t + 8)2, what is the rate of change of sales when t = 97(Round your answer to two decimal places.) Interpret your result. From the 9th to the 10th week, sales will decrease approximately Istn dollars. O From the 9th to the 10th week, sales will increase approximately IS()l thousand dollars. From the 9th to the 10th week, sales will increase approximately IS()I dollars. From the 9th to the 10th week, sales will decrease approximately IS(t)I thousand dollars. Need Help? Read It Submit Answer Save Progress Practice Another Version