precalculus
posted by Jane .
problem with permutation 
An omelet can be ordered plain or with any or all of the following fillings: cheese, onions, peppers. How many different kinds omelets are possible?

plain
c
co
cop
o
op
p
posted by Jane .
problem with permutation 
An omelet can be ordered plain or with any or all of the following fillings: cheese, onions, peppers. How many different kinds omelets are possible?
plain
c
co
cop
o
op
p