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. 1979 Nov-Dec;84(6):455–488. doi: 10.6028/jres.084.023

Table 1.

Functions and Their Intervals of Approximation.

f(x) I = [a, b]
1. e−x sin x [0, 4]
2. e x sin x [0, 4]
3. ex sin x [0, 7]
4. e2x/2x [.05, 1]
5. 75x/[l + (7.5x)2] [0, 2]
6. 10xe−.5x [0, 4]
7. 1/[1 + (x - 2.5)4] [0, 5]
8. xlj3 [−1, 1]
9. xlj2 [0, 1]
10. 1/[1 + x4] [−2.5, 2.5]