The formula for converting from celsius to fahrenheit temperatures is f=9/5c+32
"determine whether the original formula is a function, and whether the inverse is a function''
a. original is a function; inverse is not
b. original is a function; inverse is a function
c. original is not a function; inverse is not a function
d. original is not a function; inverse is a function

The correct option is B.

Step-by-step explanation:

The formula for converting from Celsius to Fahrenheit temperatures is

A relation is called a function if there exist a unique output for each input.

The original formula is a  function because for each value of C, there exist a unique value of F.

The inverse of the function is

The inverse is also a function because for each value of F, there exist a unique value of C.

Therefore original is a function; inverse is a function. Option B is correct.