\[y = \frac{x^{3} + x^{4}}{x + x^{2}}\]
\[y = \frac{x³(x + 1)}{x(1 + x)}\]
\[x + x^{2} \neq 0\]
\[x(1 + x) \neq 0\]
\[x \neq 0;\ \ x \neq - 1\]
\[y = x^{2}\]
\[x\] | \[- 2\] | \[- 1\] | \[0\] | \[1\] | \[2\] |
---|---|---|---|---|---|
\[y\] | \[4\] | \[-\] | \[-\] | \[1\] | \[4\] |