设函数 f(x) 是定义在 R 上且周期为 2 的偶函数, 当 2 ≤ x ≤ 3 时, f(x) = 5 - 2x, 则 f(-3/4) =---**Question 5:** **Question Stem:** 设函数 f(x) 是定义在 R 上且周期为 2 的偶函数, 当 2 ≤ x ≤ 3 时, f(x) = 5 - 2x, 则 f(-3/4) = **Mathematical Formulas/Conditions:** Function properties: defined on R, periodic with period 2, even function. Function definition for a specific interval: f(x) = 5 - 2x when 2 ≤ x ≤ 3. Value to find: f(-3/4). **Options:** A. -1/2 B. -1/4 C. 1/4 D. 1/2

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