taiwan-gsat 2008 Q1

taiwan-gsat · Other · gsat__math Exponential Functions MCQ on Function Properties
1. For any real number $x$, the minimum value of $27 ^ { \left( x ^ { 2 } + \frac { 2 } { 3 } \right) }$ is
(1) 3
(2) $3 \sqrt { 3 }$
(3) 9
(4) 27
(5) $81 \sqrt { 3 }$
& 3 & \multirow{6}{*}{A} & 13 & - & \multirow{4}{*}{E} & 29 & -
1. For any real number $x$, the minimum value of $27 ^ { \left( x ^ { 2 } + \frac { 2 } { 3 } \right) }$ is\\
(1) 3\\
(2) $3 \sqrt { 3 }$\\
(3) 9\\
(4) 27\\
(5) $81 \sqrt { 3 }$