/ 5 \ lim |-----------| x->4+| 1 | | ------| | -4 + x| \1 + 3 /
Limit(5/(1 + 3^(1/(-4 + x))), x, 4)
/ 5 \ lim |-----------| x->4+| 1 | | ------| | -4 + x| \1 + 3 /
0
= -1.642978896749e-52
/ 5 \ lim |-----------| x->4-| 1 | | ------| | -4 + x| \1 + 3 /
5
= 5
= 5