C-01-Q168mediumsingle_mcqF(x)=−x−4F(x) = -\sqrt{x - 4}F(x)=−x−4 হলে F(a2+4)=?F(a^2 + 4) = ?F(a2+4)=?aaaab−a-a−ac−∣a∣-|a|−∣a∣d