ashleybenitez543 ashleybenitez543

26-02-2020
Mathematics

contestada

If a(x) = 3x + 1 and b(x) square root of x- 4, what is the domain of (bºa)(x)?

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profarouk profarouk

29-02-2020

Answer:

Domain = [1 ,+∞[

Step-by-step explanation:

We must have 3x + 1 ≥ 4 ⇔ 3x ≥ 3 ⇔ x ≥ 1

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