Answer:
C on edge2020
Step-by-step explanation:
x ≥ 1 or can be written as [1,infinity)
Keywords: composition of function, if a(x) = 3x + 1, and, b(x) = √(x-4), what is the domain of, (b o a)(x), b(a(x)), defined, the value, under the radical sign, must not be negative,
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