Question

Сделайте, пожалуйста

Answer 1

1)
$f(-x)=(-x)^{5}=-x^{5}=-f(x)$
2)
$f( - x) = frac{4}{ - x} = - frac{4}{x} = - f( x)$
3)
$f( - x) = ( - x) + ( - x) ^{3} = \ = - x - x ^{3} = - ( x + {x}^{3} ) = \ = - f(x)$
4)
$f( - x) = - frac{1}{ {( - x)}^{7} } = - frac{1}{ - {x}^{7} } = \ = frac{1}{ {x}^{7} } = - f(x)$