Examlex
The following graph shows the actual percentage of U.S. households with a computer as a function of household income (the data points) and a logistic model of these data (the curve) . The logistic model is
Where x is the household income in thousands of dollars. For low incomes, the logistic model is approximately exponential. Which exponential model best approximates P(x) for small x Round the coefficients to the nearest hundredth.
Cast Iron
A type of iron that is highly carbonized, making it notably hard and brittle, used extensively in construction and cookware.
Severn River
A major river in the United Kingdom, notable for being the longest in Great Britain, flowing through Wales and England.
Grand Tour
A traditional trip through Europe undertaken by mainly upper-class European young men of means, to finish their education in the 17th to 19th centuries.
Veduta
A highly detailed, usually large-scale painting or, more often, print of a cityscape or some other vista.
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