Here are the values and computations that give them:

x
1

8
1

4
1

2
1 2 4 16
f(x) = log2x -3 -2 -1 0 1 2 4
2-3 = 1/8 2-2 = 1/4 2-1 = 1/2 20 = 1 21 = 2 22 = 4 24 = 16


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