I've done problems exactly like these, but these two keep giving me the wrong answer, and I'm not sure why.
1) if |x - 2| < delta then |1/x - 0.5| < 0.2
2) if |x - 4| < delta then |sqrt(x) - 2| < 0.4
In both I need to find delta.
I've done problems exactly like these, but these two keep giving me the wrong answer, and I'm not sure why.
1) if |x - 2| < delta then |1/x - 0.5| < 0.2
2) if |x - 4| < delta then |sqrt(x) - 2| < 0.4
In both I need to find delta.