Question

Reshenie nujno.Spasibo!

Answer 1

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