x
y=2*(0.5)^x
-10
2048
-9
1024
-8
512
-7
256
-6
128
-5
64
-4
32
-3
16
-2
8
-1
4
0
2
1
1
2
0.5
3
0.25
4
0.125
5
0.0625
6
0.03125
7
0.015625
8
0.0078125
9
0.00390625
10
0.00195313
As x goes to negative infinity the function grows to infinity.
As x grows to infinity the function decreases an approximate to zero.
