Question

Срочно......!!!!.....

Answer 1

√2
а) у=2х+3,х=-1;х=3
у=2×(-1)+3
у=1
Г)
$y = {x}^{2} \: \: \: \: y = 2x$
$2x = {x}^{2} \\ 3 {x}^{2} = 0 \\ {x}^{2} = 0 \\ x = 0$