This document contains two graphs of functions. The first graph shows a piecewise function defined as f(x) = x^2 for -∞ < x ≤ 0 and f(x) = x + 1 for 0 < x < ∞. The second graph shows a parabolic function defined as f(x) = -x^2 for all real values of x.

2. 





32
31
)(
xsix
xsix
xf
-∞ +∞3
x+1 2x
x f(x)
-5 -4
-3 -2
0 1
1 2
2 3
x f(x)
4 8
5 10
8 16
10 20

4. 





02
0
)(
2
xsix
xsix
xf
-∞ +∞0
-x2
2x
x f(x)
-5 25
-3 9
0 0
x f(x)
1 2
3 6
4 8
5 10