Question

Reshenie nujno.Spasibo!

Answer 1

$y=x^2+4x-2; ,; ; -3leq xleq 0\\x_{versh}=-frac{b}{2a}=frac{-4}{2}=-2; ,; ; -3leq -2leq 0\\ y_{versh} =y(-2)=4-8-2=-6\\y(-3)=9-12-2=-5; ,; ; y(0)=-2\\-6leq y(x)leq -2$