Answer:
B
Step-by-step explanation:
Answer: f(-3)=-282,429,536,475
[tex]f(x)=x^{-8x} +6\\f(-3)=-3^{-8(-3)}+6\\ f(-3)=-3^{24} +6\\f(-3)=-282429536481+6\\f(-3)=-282429536475[/tex]