$32 ^ { \circ }$ Fahrenheit = $0 ^ { \circ }$

question 66

Multiple Choice

$32 ^ { \circ }$ Fahrenheit = $0 ^ { \circ }$ Celsius. A function that converts temperatures in Celsius to those in Fahrenheit is $f ( x ) = \frac { 9 } { 5 } x + 32$ Fahrenheit. Find a formula for the inverse of this function.

• A) \(f ^ { - 1 } ( x ) = x + 32\)
• B) \(f ^ { - 1 } ( x ) = \frac { 5 } { 9 } ( x - 32 )\)
• C) \(f ^ { - 1 } ( x ) = \frac { 5 } { 9 } ( x + 32 )\)
• D) \(f ^ { - 1 } ( x ) = \frac { 9 } { 5 } x + 32\)

---

Definitions:

Arabic Numerals

A set of ten digits (0, 1, 2, 3, 4, 5, 6, 7, 8, 9) that originated from India and are used worldwide to represent numbers.

Roman Numerals

A numeral system originating in ancient Rome, using combinations of letters from the Latin alphabet (I, V, X, L, C, D, M) to represent numbers.

Watch

A portable timepiece designed to be worn on the wrist or carried, used for measuring and displaying time.

Storage Decay

The process by which unused and unrecalled memories weaken and fade over time, often leading to forgetting.