- #1
goodz
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Homework Statement
For the limit below, find values of δ that correspond to the ε values.
Homework Equations
epsilon = .5
and
epsilon = .05
The Attempt at a Solution
These kinds of problems do you have to use a graphing calculator to figure it out?
for epsilon = .05
|(9x + x - 3x^3)-7|<.05
6.95<(9+x-3x^3)<7.05
and I graph it, i get x = about -.75548, y=6.95
x = -.73803, y=7.05
i get |x-1|<0.2619
but its incorrect