Considere a função () = fraction numerator x space plus space 1 over denominator x space minus space 1 end fraction. Identifique o domínio () e a imagem () da função .
a.

D left parenthesis f right parenthesis equals straight real numbers text e end text Im invisible function application left parenthesis f right parenthesis equals straight real numbers
b.

D left parenthesis f right parenthesis equals straight real numbers minus left curly bracket 1 right curly bracket text e end text Im invisible function application left parenthesis f right parenthesis equals straight real numbers minus left curly bracket negative 1 right curly bracket
c.

D left parenthesis f right parenthesis equals straight real numbers minus left curly bracket negative 1 right curly bracket text e end text Im invisible function application left parenthesis f right parenthesis equals straight real numbers minus left curly bracket 1 right curly bracket
d.

D left parenthesis f right parenthesis equals straight real numbers minus left curly bracket negative 1 right curly bracket text e end text Im invisible function application left parenthesis f right parenthesis equals straight real numbers minus left curly bracket negative 1 right curly bracket
e.

D left parenthesis f right parenthesis equals straight real numbers minus left curly bracket 1 right curly bracket text e end text Im invisible function application left parenthesis f right parenthesis equals straight real numbers minus left curly bracket 1 right curly bracket