G4D08:What frequency range is occupied by a 3 kHz LSB signal when the displayed carrier frequency is set to 7.178 MHz?
Direct answer summary (2023-2027 NCVEC pool)
The official correct answer for G4D08 is 7.175 MHz to 7.178 MHz.
The key fact is 7.175 MHz to 7.178 MHz. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.