Problem #3: Suppose the sales of a particular model of espresso machines can be modelled by the function f(t) = 200 * (0.34 / (15 + 135e^(-0.34t))) where t is the time in weeks after the release of the model to consumers and f(t) is thousands of machines. (a) How many machines will be sold after 2 weeks? Enter your answer in thousands of machines. (b) Approximately how many espresso machines will ultimately be sold? Enter your answer in thousands of machines.
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34f(2) = 200 - 15 * 135e^{-0.34*2}\] Show more…
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Suppose the sales of a particular model of coffee machines can be modeled by the function f(x) = 200(0.39/(13 + 119e^(-0.39x))), where x is the time in weeks after the release of the model to consumers and f(x) is thousands of machines. (a) How many machines will be sold after 2 weeks? Enter answer in thousands of machines. (b) Approximately how many coffee machines will ultimately be sold? Enter answer in thousands of machines.
Ma. Theresa A.
please solve this, I got question a) but b) is giving me trouble
William R.
Use the following information to answer the next two exercises. An electronics retailer used regression to find a simple model to predict sales growth in the first quarter of the new year (January through March). The model is good for 90 days, where x is the day. The model can be written as follows: $\hat{y}=101.32+2.48 x$ where $\hat{y}$ is in thousands of dollars. What would you predict the sales to be on day 60?
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