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16-09-2016
Mathematics

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Jorge was tracking the decreasing temperature in the morning. At 7 a.m., it was 65 degrees Fahrenheit. At 9 a.m., it was 55 degrees Fahrenheit. If Jorge made the function f(x) = −5x + 100, what would the −5 represent?
a. The temperature at midnight
b. The length of time he recorded for
c. The total change in degrees
d. The rate at which the temperature was decreasing

Respuesta :

16-09-2016

D. because for every hour it goes down 5 degrees and since there is a 1 hour gap in between 7 am and 9 am

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