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The value of \(\dfrac1{x}-\dfrac4{\sqrt{x}}+4\) is the least when \(x =\)
A. \(\dfrac16\)
B. \(\dfrac14\)
C. \(\dfrac12\)
D. \(\dfrac23\)
E. \(1\)
Answer: B
Source: e-GMAT
A. \(\dfrac16\)
B. \(\dfrac14\)
C. \(\dfrac12\)
D. \(\dfrac23\)
E. \(1\)
Answer: B
Source: e-GMAT
