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Mathematics, 21.04.2020 20:51 rosieposie27
A company estimates that it will sell (x) units of a product after spending x thousand dollars on advertising, as given by (x)=−5x3+235x2−3400x+20000,10≤x≤40. (A) Use interval notation to indicate when the rate of change of sales ′(x) is increasing. Note: When using interval notation in WeBWorK, remember that: You use 'I' for [infinity] and '-I' for −[infinity], and 'U' for the union symbol. If you have extra boxes, fill each in with an 'x'. ′(x) increasing:
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