\(x < -4\) | \(x = -4\) | \(-4 < x < 2\) | \(x = 2\) | \(x \gt 2\) | |
---|---|---|---|---|---|
\(f'\) | + |
1 |
+ |
DNE |
- |
\(f''\) | - |
0 |
+ |
DNE |
+ |
\(x < -1 \) | \(x = -1\) | \(-1 < x < 1 \) | \(x = 1 \) | \(x \gt 1 \) | |
---|---|---|---|---|---|
\(f'\) | + |
DNE |
+ |
0 |
- |
\(f''\) | + |
DNE |
- |
-2 |
- |
\(x = 2\) | \(2 < x < 5\) | \(x = 5\) | \(5 < x < 8\) | \(x = 8 \) | |
---|---|---|---|---|---|
\(f'\) | + |
+ |
0 |
- |
- |