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Test: Chapter1 Test f I I ' unctton. Find H g. f g. fg, and E. Determme the domain for each f f(x) = x + 9, g(x) = 4x2 // (f + g)(x) = D (Simplify your answer.) What is the domain of f + g? 0 A. The domain of f + g is U (Use a comma to separate answers as needed.) 0 B. The domain off + g is E. (Type your answer in interval notation.) O c_ The domain off+g is E. (f g)(x) = D (Simplify your answer.) What is the domain of f - g? Q A. The domain off- 9 is E. (Type your answer in interval notation.) O 8. The domain off g is U. (Use a comma to separate answers as needed.) 0 c' The domain off- 9 is Q. (fg)(x) = D (Simplify your answer.) What is the domain of fg? O A. The domain of fg is E (Type your answer in interval notation.) O B. The domain of fg is j}. (Use a comma to separate answers as needed.) 0 c_ The domain of fg is (a. (H