Precalc0108to0109-page13

Precalc0108to0109-page13 - (Section 1.9: Inverses of...

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(Section 1.9: Inverses of One-to-One Functions) 1.9.3 Example 1 (Temperature Conversion) . Let f be the function that converts temperature measures from the Celsius scale to the Fahrenheit scale. f ± 1 then exists. It is the function that converts from Fahrenheit to Celsius . • For example, f 0 () = 32 and f ± 1 32 = 0 , because 0 degrees Celsius corresponds to 32 degrees Fahrenheit. That is, 0 ± C = 32 ± F . Both measures give the freezing point of water at sea level. • Also, f 100 = 212 and f ± 1 212 = 100 , because 100 ± C
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