Recent content by jj0424

You can get 2 because if x=.5 then 1/.5=2 but you can't get zero because ther is a one in the numeraor and the only way to get zero is zero/x. I just don't know how to state the image in technical terms.

Homework Statement (p -> q) has an unambiguous meaning both in logic and in natural language. The DeMorgans laws tell us what is meant by the negation of a conjunction or the negation of a disjunction, but what is the negation of a conditional such as p -> q? Use the rules of logic to produce...

1. Let f(x)= 1/x where x is a rational number. What is the domain of f? Give a codomain and image for f that are not equal to each other. I am not sure about my answers, I got: D= (-infinity, 0) U (0, infinity) Image= (o, infinity) Codomain= Set of all reals I don't think this is...