Solve: fog(x) and also find domain of fog(x) where f(x) = 3x -2; g(x) = √x

• A. 3√x +2; Domain: [0, ∞)
• B. 3√x -2; Domain: [0, ∞)
• C. 3x -2; Domain: (-∞, ∞)
• D. √(3x -2); Domain: [0, ∞)

Answer: (B)