【GMAT考满分数学PS题库】For all positive numbers x, Δx is defined as the _真题_答案_解析 GMAT考满分官网

Magoosh - 数学PS - 64

题目内容

For all positive numbers x, Δx is defined as the cube root of x, and ∇x is defined as the square root of x. If$$ ∇(Δk) = m^{2}$$ , then k =

A$$m^{\frac{12}{5}}$$
B$$m^{6}$$
C$$m^{12}$$
D$$m^{36}$$
E$$m^{64}$$

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正确答案: C

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