Question 753634
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Since it is illegal to deface United States currency, including coins, you cannot cut a dime in half.  Furthermore, you cannot have a negative number of either kind of coin.  Therfore, *[tex \LARGE y] must be a positive integer, and therefore *[tex \LARGE x] must be at least 1.  Furthermore, *[tex \LARGE x] must be an odd number.  Since 65 divided by 5 is 13, 13 is the largest value *[tex \LARGE x] may take.  Hence:


*[tex \LARGE \text{dom}(y)\ =\ \{x\ \in\ \mathbb{Z}\ :\ x\ \text{mod}\ 2\ =\ 1\ \large\ \wedge\ \LARGE\ 1\ \leq\ x\ \leq\ 13\}]


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
<font face="Math1" size="+2">Egw to Beta kai to Sigma</font>
My calculator said it, I believe it, that settles it
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