High School

For one month, Siera calculated her hometown's average high temperature in degrees Fahrenheit. She wants to convert that temperature from degrees Fahrenheit to degrees Celsius using the function [tex]$C(F)=\frac{5}{9}(F-32)$[/tex].

What does [tex]$C(F)$[/tex] represent?

A. The temperature of [tex]$F$[/tex] degrees Fahrenheit converted to degrees Celsius
B. The temperature of [tex]$F$[/tex] degrees Celsius converted to degrees Fahrenheit
C. The temperature of [tex]$C$[/tex] degrees Fahrenheit converted to degrees Celsius
D. The temperature of [tex]$C$[/tex] degrees Celsius converted to degrees Fahrenheit

Answer :

To solve the problem of understanding what [tex]\( C(F) \)[/tex] represents in the function [tex]\( C(F) = \frac{5}{9}(F-32) \)[/tex], let's break it down:

1. Understanding the Function [tex]\( C(F) = \frac{5}{9}(F-32) \)[/tex]:
- This function is used to convert temperatures from degrees Fahrenheit to degrees Celsius.
- The input [tex]\( F \)[/tex] represents a temperature in degrees Fahrenheit.

2. Conversion Process:
- The formula involves subtracting 32 from the Fahrenheit temperature, which is the first step in adjusting for the offset between the Fahrenheit and Celsius scales.
- Then, the result is multiplied by [tex]\(\frac{5}{9}\)[/tex]. This scales the difference to align with the Celsius scale, since the ratio of the degrees between the two scales is 9/5.

3. What [tex]\( C(F) \)[/tex] Represents:
- Given that the input [tex]\( F \)[/tex] is in degrees Fahrenheit, the function performs the conversion to give a temperature in degrees Celsius.
- Therefore, [tex]\( C(F) \)[/tex] represents the temperature in degrees Celsius after converting from [tex]\( F \)[/tex] degrees Fahrenheit.

4. Conclusion:
- The correct interpretation of [tex]\( C(F) \)[/tex] is: "the temperature of [tex]\( F \)[/tex] degrees Fahrenheit converted to degrees Celsius."

This aligns with the option that states: "the temperature of [tex]\( F \)[/tex] degrees Fahrenheit converted to degrees Celsius."

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