### Relations and Functions

goals
$P(n) :2^{n+2}<3^{n}$ is true for
Which of the following statements is true?
Which of the following figures shows a reflection in the dotted line?
The range of the function  $f(x) = {8^x} + {4^x} + {8^{ - x}} + {4^{ - x}} + 5$
If $f ( x ) + 2 f ( 1 - x ) = x ^ { 2 } + 2 , \forall x \in R$, then find $f ( x )$