If Possible, Determine the Slope $-\frac{9}{5}$ B)Not Defined
C)0
D) $-\frac{5}{9}$

Multiple Choice

If possible, determine the slope.
-9 · f(x) + 5 = 0

A) $-\frac{9}{5}$
B) Not defined
C) 0
D) $-\frac{5}{9}$