∞
1/2
2
0
The function 'f ' is defined by f(x) = 2x - 1,if x > 2; f(x) = k,if x = 2 and x2 - 1 is x
3
4
-3
-1
1
α
-6
-12
6
12
-∞
2/π
π/2
+∞
A = 0
A = -1
A = 1
A = 3
