Question

f(x)=x³+x one -one and bijeative find out?

Answer 1

$for \: one \: one \: \: \\ it \: is \: one \: one \: bcz \: both \: {x}^{3} \: x \: r \: ood \: functions \: \\ for \: onto \: \\ y = {x}^{3} + x \\ and \: for \: onto \: inverse \: not \: exits \: so \: it \: \: not \: bjective$