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A square root function y = sqrt(x) with x > 0 has slope function
A1/sqrt(x)
B2 sqrt(x)
C1/(2 sqrt(x))
Dx^(3/2)/2
Answer & Solution
Correct answer: C. 1/(2 sqrt(x))
Writing sqrt(x) as x^(1/2), the power rule gives (1/2) x^(-1/2).
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