Concept explainers
Average Daily Temperature The temperature in Anchorage. Alaska, can be approximated by the
where T(x) is the temperature in degrees Fahrenheit on day x, with x = 1 corresponding to January 1 and x - 365 corresponding to December 31. Use a calculator to estimate the temperature on the following days. (Source: World Almanac and Book of Facts.)
(a) March 15 (day 74) (b) April 5 (day 95) (c) Day 200
(d) June 25 (e) October 1 (f) December 31
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Trigonometry (11th Edition)
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