Let $f ( x ) = \sqrt { x } \ln x$ . Find the interval on which $f$ is concave upward.
A) $( 0 , \infty )$
B) $( 0,1 ]$
C) $[ 1 , \infty )$
D) $\left( 0 , e ^ { - 1 } \right]$
E) $\left[ e ^ { - 1 } , \infty \right)$
F) $\left( 0 , e ^ { - 2 } \right]$
G) $\left[ e ^ { - 2 } , \infty \right)$
H) $( 0 , \sqrt { e } )$

Question

Let $f ( x ) = \sqrt { x } \ln x$ . Find the interval on which $f$ is concave upward.
A) $( 0 , \infty )$
B) $( 0,1 ]$
C) $[ 1 , \infty )$ 
D) $\left( 0 , e ^ { - 1 } \right]$
E) $\left[ e ^ { - 1 } , \infty \right)$
F) $\left( 0 , e ^ { - 2 } \right]$ 
G) $\left[ e ^ { - 2 } , \infty \right)$ 
H) $( 0 , \sqrt { e } )$

Quizplus · Accepted Answer

The Answer of Let $f ( x ) = \sqrt { x } \ln x$ . Find the interval on which $f$ is concave upward.
A) $( 0 , \infty )$
B) $( 0,1 ]$
C) $[ 1 , \infty )$ 
D) $\left( 0 , e ^ { - 1 } \right]$
E) $\left[ e ^ { - 1 } , \infty \right)$
F) $\left( 0 , e ^ { - 2 } \right]$ 
G) $\left[ e ^ { - 2 } , \infty \right)$ 
H) $( 0 , \sqrt { e } )$

Let f(x)=xln⁡xf ( x ) = \sqrt { x } \ln xf(x)=x​lnx

Let $f ( x ) = \sqrt { x } \ln x$