Question

C=59(F−32) The equation above shows how temperature F, measured in degrees Fahrenheit, relates to a temperature C, measured in degrees Celsius. Based on the equation, which of the following must be true? A temperature increase of 1 degree Fahrenheit is equivalent to a temperature increase of 59 degree Celsius. A temperature increase of 1 degree Celsius is equivalent to a temperature increase of 1.8 degrees Fahrenheit. A temperature increase of 59 degree Fahrenheit is equivalent to a temperature increase of 1 degree Celsius.
A) I only B) II only C) III only D) I and II only​
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Answer 1

Answer:

if you think of the equation as an equation for a line. you can see the slope of the graph is 5/95/9, which means that for an increase of 1 degree Fahrenheit, the increase is 5/95/9 of 1 degree Celsius. Therefore, statem true