\[y = \frac{x + 3}{x - 4} = \frac{x - 4 + 7}{x - 4} =\]
\[= 1 + \frac{7}{x - 4}\]
\[ООФ:\ \ \ ( - \infty;\ 4) \cup (4; + \infty).\]
\[При\ x_{1} > x_{2};\ \ f\left( x_{1} \right) < f\left( x_{2} \right).\]
\[Функция\ монотонно\ убывает.\]
x | \[0\] | \[1\] | \[2\] | \[3\] | \[5\] | \[6\] | \[7\] |
---|---|---|---|---|---|---|---|
\[y\] | \[\approx 0,5\] | \[\approx 0,2\] | \[- 2,5\] | \[- 6\] | \[8\] | \[4,5\] | \[3,1\] |