SOLUTION: Define a set X of numbers as follows. B. 2 is in X. R1. If x is in X, so is 10x. R2. If x is in X, so is x + 4. List all the elements of X that are less than 30. (Enter you

Question 984676: Define a set X of numbers as follows.
B. 2 is in X.
R1. If x is in X, so is 10x.
R2. If x is in X, so is x + 4.
List all the elements of X that are less than 30. (Enter your answers as a comma-separated list.)
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Start with 2 and count by 4s until get to 30. All of these numbers are elements of your set EXCEPT 30. Multiply each of these elements by 10 and include any of these results that are less than 30 and are not already in the list.

John

My calculator said it, I believe it, that settles it

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