Practice problem

When Is a Relation a Function?

+4 contributors

Contributors

Elise Molinaro
Victor Wang
Alex Federspiel
Anusha Rahman
Trisha

Input to Output
0 to 32
10 to 50
20 to 68
30 to 86 — Image source: by Elise Molinaro

The mapping above represents the function used to convert the temperature from Celsius to Fahrenheit: $F(C)=\frac{9}{5}C+32$ . What will the temperature in Farenheit be when it is $15$ degrees Celsius?