Concept explainers
Fahrenheit and Celsius. In the Fahrenheit temperature scale, water boils at
212° F and freezes at
32° F. In the Celsius scale, water boils at
100°C and freezes at
0° C. Assume that the Fahrenheit temperature F and Celsius temperature Care linearly related.
a. Find the equation in the slope-intercept form relating F and C, with C as the independent variable.
b. What is the meaning of slope in part (a)?
c. Find the Fahrenheit temperatures. to the nearest degree. corresponding to 40°C, 25°C., 5°C, and 10°c.
d. Find the Celsius temperatures, to the nearest degree, corresponding to
100F, 90F, 75F, – 10°F, and –20°F.
e. The normal body temperature in humans ranges from 97.6°F to 99.6° F. Convert this temperature range to degrees Celsius.
f. When is the Celsius temperature the same numerical value as the Fahrenheit temperature?
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Precalculus: A Unit Circle Approach (3rd Edition)
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