Question

13. In the fraction 3/x, x may not be substituted by which of the following sets?

A. {1, 2, 4}
B. {-2,-3,-4}
C. {1, 3, 7}
D. {0, 10, 20}
E. {1.8, 4.3}

Answer 1

you can never divide by _____

Answer 2

Is x a number or a set?
If it is a number, then it can't be replaced by any of the sets.
If it is a set, how do you want to divide 3 by a set?

I think the question is unclearly stated.

Answer 3

@ZeHanz I think it is reasonable to assume that you are to substitute the values in a set into the given fraction.