- If a (x) = 3x + 1 and b (x)=√x-4, what is the domain of (b*a) (x)?
A(-∞, ∞)
B[0,∞)
C[1,∞)
D[4,∞)
A(-∞, ∞)
B[0,∞)
C[1,∞)
D[4,∞)