The equation for converting Farenheit to Celcius is F=9/5C + 32. What is the meaning of the slope of this line?

Question

A. For every 9 degree increase in Celcius, there's a 5 degree increase in Farenheit.
B. For every 5 degree increase in C, there's a 9 degree increase in F.
C. For every 5 degree increase in C, there's a 9 degree decrease in F.
D. For every 9 degree decrease in C, there's a 5 degree increase in F.

PLEASE EXPLAIN!!!

Answer 1

If C is increased 5x, what happens to F?

Answer 2

F also increases?