Find the Domain of the Function F and of Its $$f ( x ) = - 8 \cos ( 10 x + 4 )$$

Find the domain of the function f and of its inverse function f-1.
- $$f ( x ) = - 8 \cos ( 10 x + 4 )$$

A) Domain of $f : ( \infty , \infty )$
Domain of $f ^ { - 1 } : ( \infty , \infty )$

B) Domain of $\mathrm { f } : ( \infty , \infty )$
Domain of $\mathrm { f } ^ { - 1 } : [ - 8,8 ]$

C) Domain of $f : [ - 8,8 ]$
Domain of $\mathrm { f } ^ { - 1 } : ( \infty , \infty )$

D) Domain of $\mathrm { f } : ( \infty , \infty )$
Domain of $\mathrm { f } ^ { - 1 } : [ - 10,10 ]$

Correct Answer:

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