G
The subdominant note is D in an A major scale
The subdominant is the 4th note in a scale, so in A major it's D.
The D note
D (natural)
The subdominant in any major scale is the fourth note. So, in C major, the subdominant is the F.
The sub-dominant of Db is Gb.
The subdominant is the 4th scale degree. In G major, that's C.
The pentatonic scale has 5 notes. It is similar to the omission of subdominant and leading note of major scale. Starting from D, the scale is D E F# A B.
The subdominant note is the fourth scale degree of any key, for example in C major the subdominant note is F since the scale goes C D E F G A B C.
The subdominant is usually the fourth scale degree of a major or minor scale.
D major(D,F#,A,D) for sub domonant, and E major(E,G#,B,E) for dominant
D.