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Beyond Horizon Set 3 Paper 1 · Q1

Paper 1Functions & graphsAlgebra

Consider the inequality x+3−x−1≥1\sqrt{x+3}-\sqrt{x-1}\ge 1. Find the range of xx that satisfies this inequality.

A[−2,3.25][-2,3.25]
B[−1,2.5][-1,2.5]
C[1,3][1,3]
D[2,3.5][2,3.5]
E[−1,2][-1,2]
F[0,3][0,3]
G[1,3.25][1,3.25]

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