Question 25 • Mathematical Models with Applications - MA4072 CR
From 1985 to 1990, the number increases for 5 years. A 75% yearly increase means multiplying by 1.75 each year, so calculate 285 × 1.75⁵ ≈ 4,677.73. This is about 4,677 subscribers, matching choice B, 4,677.
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