答案:E
解析:
If f(x) = x + ax, and a = 7/2, then f(x) = x + (7/2)x = (9/2)x. Therefore, f(3/2) = (9/2)*(3/2) = 27/4.
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答案:E
解析:
If f(x) = x + ax, and a = 7/2, then f(x) = x + (7/2)x = (9/2)x. Therefore, f(3/2) = (9/2)*(3/2) = 27/4.