- #1
Saladsamurai
- 3,020
- 7
Given f(x) = x2, L = 4, xo = -2, e = 0.5 find delta.
-0.5 < x2 - 4 < 0.5
3.5 < x2 < 4.5
(3.5)1/2 - (-2) < x - (-2) < (4.5)1/2 - (-2)
=>|x - xo| < (3.5)1/2 - (-2) ~ 3.87
My text says the answer is 0.12 ?
I was convinced that I have been doing these right. Am I?
-0.5 < x2 - 4 < 0.5
3.5 < x2 < 4.5
(3.5)1/2 - (-2) < x - (-2) < (4.5)1/2 - (-2)
=>|x - xo| < (3.5)1/2 - (-2) ~ 3.87
My text says the answer is 0.12 ?
I was convinced that I have been doing these right. Am I?