If f(x) cos-¹(2x+5), then dom(f) = = x+3 (A) (-3,-2) D (B) [-3, -2] (C) (-3, -2] (D) (-1,1) (E) (-∞, ∞) 3 1.³ arctan(x) 1+x² (A) 2 72 (B) 1 (C) (D) T (E) T 18 dx = 7:33 PM ✓ 7:33 PM ✓

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