Ответ:
\[y = 0,8 - 0,4x;\ \ \ \ - 1 \leq x \leq 3.\]
| \[x\] | \[- 1\] | \[0\] | \[1\] | \[2\] | \[3\] |
|---|---|---|---|---|---|
| \[y = 0,8 - 0,4x\] | \[1,2\] | \[0,8\] | \[0,4\] | \[0\] | \[- 0,4\] |
\[x = 0 \Longrightarrow y = 0,8.\]
\[y = 0,8 - 0,4x;\ \ \ \ - 1 \leq x \leq 3.\]
| \[x\] | \[- 1\] | \[0\] | \[1\] | \[2\] | \[3\] |
|---|---|---|---|---|---|
| \[y = 0,8 - 0,4x\] | \[1,2\] | \[0,8\] | \[0,4\] | \[0\] | \[- 0,4\] |
\[x = 0 \Longrightarrow y = 0,8.\]