Examine the following graph that displays different distance weighting functions. Match the exponents to their corresponding letters, A, B, C, or D. Weight 1.0 0.8 0.6 0.4 0.2 0.0 0 1000 d'A 0.25 1 2 0 1 dc dB 20 2 40 Distance 1. A 2. B 3. C 4. D 60 80 1 d 1 100

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