G4D08

What frequency range is occupied by a 3 kHz LSB signal when the displayed carrier frequency is set to 7.178 MHz?

1. A7.178 MHz to 7.181 MHz
2. B7.178 MHz to 7.184 MHz
3. C7.175 MHz to 7.178 MHz
4. D7.1765 MHz to 7.1795 MHz

Pick an answer to check it.