Consider the function for

MATHEMATICS · Single correct · CBSE · Mathematics · Applications of Derivatives · Applications of Derivatives

Problem

Consider the function

h(x)=\dfrac{x^{2}+4}{x}

for

x>0

. At which

x

does

h

attain a local minimum? (a)

x=4

(b)

x=2

(c)

x=\dfrac{1}{2}

(d)

h

has no local minimum for

x>0