答案:B
解析:
The expression square root (4x) is equivalent to (square root 4)(square root x), and square root 4 = 2. Since square root x = 16, it follows that square root (4x) = (square root 4)(square root x) = (2)(16) = 32.
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答案:B
解析:
The expression square root (4x) is equivalent to (square root 4)(square root x), and square root 4 = 2. Since square root x = 16, it follows that square root (4x) = (square root 4)(square root x) = (2)(16) = 32.