Find the limit as x approaches -4 of 4-lxl/4+x
Do you mean
(4-|x|)/(4+x)
or 4 - |x/4| + x ?
In the first case, the limit is 1 because
4 - |x| = 4 + x in the region around x = -4
(4-|x|)/(4+x)
or 4 - |x/4| + x ?
In the first case, the limit is 1 because
4 - |x| = 4 + x in the region around x = -4