Evaluate the Function as Indicated $f(6.5)$ When $f(x)=-2 x+8.8$

Multiple Choice

Evaluate the function as indicated.
-Find $f(6.5)$ when $f(x) =-2 x+8.8$ .

A) $-12.12$
B) $-21.8$
C) $-4.2$
D) $21.8$