\[y = x^{2} + 4x - 5,\ \ x \in \lbrack - 4;3\rbrack\]
\[ветви\ вверх\ ,\ \ \]
\[x_{0} = \frac{- 4}{2} = - 2\]
\[y_{0} = 4 - 8 - 5 = - 9\]
\[( - 2;\ - 9)\]
\[x\] | \[- 4\] | \[3\] | \[0\] | \[- 1\] |
---|---|---|---|---|
\[y\] | \[- 5\] | \[16\] | \[- 5\] | \[- 8\] |
\[E(y) = \lbrack - 9;16\rbrack\text{\ \ }\]