College

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 :

Sure! Let's go through the problem step-by-step to understand what the function [tex]\( C(F) \)[/tex] represents:

1. Understanding the Function:
The given function to convert temperatures from Fahrenheit to Celsius is:
[tex]\[
C(F) = \frac{5}{9}(F - 32)
\][/tex]

2. Breaking Down the Function:
- [tex]\( F \)[/tex] represents the temperature in degrees Fahrenheit.
- The term [tex]\( (F - 32) \)[/tex] accounts for the offset between Fahrenheit and Celsius temperature scales.
- Multiplying by [tex]\( \frac{5}{9} \)[/tex] converts the adjusted Fahrenheit temperature to degrees Celsius.

3. Interpreting [tex]\( C(F) \)[/tex]:
- [tex]\( C(F) \)[/tex] is the result of converting a temperature from Fahrenheit to Celsius using the formula.
- Therefore, [tex]\( C(F) \)[/tex] represents the temperature in degrees Celsius that corresponds to a given temperature [tex]\( F \)[/tex] in degrees Fahrenheit.

4. Example Calculation:
Let's verify the conversion with an example:
- If [tex]\( F = 32 \)[/tex] degrees Fahrenheit (freezing point of water), we substitute [tex]\( F \)[/tex] into the function:
[tex]\[
C(32) = \frac{5}{9}(32 - 32) = \frac{5}{9} \times 0 = 0 \text{ degrees Celsius}
\][/tex]
- This tells us that 32 degrees Fahrenheit is equal to 0 degrees Celsius.

Given this analysis, we can deduce the meaning of [tex]\( C(F) \)[/tex] from the options provided:

- The temperature of [tex]\( F \)[/tex] degrees Fahrenheit converted to degrees Celsius
- The temperature of [tex]\( F \)[/tex] degrees Celsius converted to degrees Fahrenheit
- The temperature of [tex]\( C \)[/tex] degrees Fahrenheit converted to degrees Celsius
- The temperature of [tex]\( C \)[/tex] degrees Celsius converted to degrees Fahrenheit

The correct interpretation is:
[tex]\[
\boxed{\text{the temperature of } F \text{ degrees Fahrenheit converted to degrees Celsius}}
\][/tex]

So, [tex]\( C(F) \)[/tex] represents the temperature in degrees Celsius that is equivalent to a given temperature [tex]\( F \)[/tex] in degrees Fahrenheit.

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