Given p(2) = e 2-1/x which of the following represents p' (2)? O a) 2-1/z _2-1/# 2-1/2 2-1/x O b) In(2) 22 2-1/2 2 9-1/x In (2) 2 O d) -2-1/2 2-1/# z In (2)