Respuesta :
f=3x^4+1/x is the answer i got. try too use mathpapa.com if you can
f ( x) = ( 81 x+ 1 ) ^ 2
f ( x) = 6561 x + 2
or f (x ) = 81 ^2 x + 2
f ( x) = 6561 x + 2
or f (x ) = 81 ^2 x + 2
