Problema Solution
Temperature conversion: The Fahrenheit temperature reading F is a linear function of the Celsius reading C. If C=0 when F=32 and the readings are the same at -40°, express F as a function of C.
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Temperature conversion: The Fahrenheit temperature reading F is a linear function of the Celsius reading C. If C=0 when F=32 and the readings are the same at -40°, express F as a function of C.
(0,32),(-40,-40) are two points.
slope m =(-40-32)/-40 =9/5.
F-32=9/5(C).
C/5=(F-32)/9.