\[\boxed{\text{877\ (877).\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[f(x) = 5 - 2x\ \ и\ \ g(x) = 2x - 3\]
\[5 - 2x = 2x - 3,\ \ \]
\[- 4x = - 8\ \ \]
\[x = 2 \Longrightarrow \text{\ \ }f(2) = 1\]
\[f(x) = 5 - 2x\text{\ \ }\]
\[x\] | \[0\] | \[2\] |
---|---|---|
\[y\] | \[5\] | \[1\] |
\[g(x) = 2x - 3\]
\[x\] | \[0\] | \[2\] |
---|---|---|
\[y\] | \[- 3\] | \[1\] |
\[1)\ f(x) < g(x)\ при\ \ x > 2;\]
\[2)\ f(x) > g(x)\ при\ x < 2.\]