From the given data, the maximum value of y is given as
|
x |
-1 |
1 |
2 |
3 |
|
y |
-21 |
15 |
12 |
3 |
1
At x = 1.1743, ymax = 15.171612
2
At x = 0.1743, ymax = 15.171612
3
At x = -1.1743, ymax = 15.171612
4
At x = 2.1743, ymax = 15.171612