Question

a) 1 b) -1 c) 1/3 d) -1/3

Answer 1

Oie, Td Bom?!

■ Resposta: Opção C.

$y = \frac{x + 2}{x - 2}$

$y = \frac{ - 4 + 2}{ - 4 - 2}$

$y = \frac{ - 2}{ - 6}$

$y = \frac{ - 2 \div ( - 2)}{ - 6 \div ( - 2)}$

$y = \frac{1}{3}$

Att. Makaveli1996