Mathematics, 13.05.2021 22:30, brittanygibson2812

Echo Tech has introduced a new model of their camera phone. The number of sales of the phone x weeks after the beginning of the initial sales promotion is given by S(x)=50e0.12xx−50, 1≤x≤20. Find the rate of change of the company's sales 3 weeks after the beginning of the promotion. Round your answer.

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Echo Tech has introduced a new model of their camera phone. The number of sales of the phone x weeks...