Create a Linear Function $\mathrm{f}(\mathrm{x})$ , Whose Graph Has the Given Slope, That Meets the Given

Multiple Choice

Create a linear function $\mathrm{f}(\mathrm{x})$ , whose graph has the given slope, that meets the given condition.
-Slope of $-9, \mathrm{f}(-3) =6$

A) $f(x) =-9 x-29$
B) $f(x) =-9 x-21$
C) $f(x) =-9 x-22$
D) $f(x) =9 x-23$