C.
No value of x has two values of y, thus it is a one-to-one function.
The first one because the slope is 2/1 and y-intercept is -4
304 would be the correct answer
Both the original and the inverse are functions because for each value of C there is a unique value of F and vice-versa.
i.e.
<span>B. Original is a function; inverse is a function </span>