Let $f(x)=8 x^{2}-5 x$ And $g(x)=7 x+9$ Find the Composite $f[g(-k)]$ A) $56 k^{2}-35 k+9$

Multiple Choice

Let $f(x) =8 x^{2}-5 x$ and $g(x) =7 x+9$ . Find the composite.
- $f[g(-k) ]$

A) $56 k^{2}-35 k+9$
B) $392 k^{2}-973 k+603$
C) $56 k^{2}+35 k+9$
D) $392 \mathrm{k}^{2}+973 \mathrm{k}+603$