The amount of carbon dioxide in the atmosphere, measured
Chapter 8, Problem 8.1.113(choose chapter or problem)
The amount of carbon dioxide in the atmosphere, measured in parts per million, has been increasing as a result of the burning of oil and coal. The buildup of gases and particles traps heat and raises the planets temperature, a phenomenon called the greenhouse effect. Exercises 4750 involve linear and quadratic functions related to global warming. The bar graph shows the average global temperature, in degrees Fahrenheit, for seven selected years.The data can be modeled by the linear function f (x) 0.013x 56.46, where f (x) is the average global temperature, in degrees Fahrenheit, x years after 1900. The graph of f is shown to the right of the data. Use this information to solve Exercises 4748. a. Find and interpret f(90). Identify this information as a point on the graph. b. Does f(90) overestimate or underestimate the actual data shown by the bar graph? By how much?
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