- #1
dancergirlie
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Homework Statement
If our currency consists of a two-cent coin and three kinds of pennies, how
many ways can we make change for a dollar?
Homework Equations
The Attempt at a Solution
the previous part to this problem led to this generating function:
G(x)=(1+x)^3∑_(k≥0)▒〖((k+3)¦3)(〖x^2)〗^k 〗
Am I supposed to put something in for x or for k? I don't know what to do. Any help would be great!