Math Help - odd and even function

1. odd and even function

deduce aformula of the function
$f(x) = 3^x
$

as asum of two functions one of them odd and the other is even.

2. Originally Posted by fxs12
$f(x) = 3^x
$f(x)=\dfrac{f(x)+f(-x)}{2} + \dfrac{f(x)-f(-x)}{2}$