find it is one-one or onto function if
f :R —R defined by f(x) = {1 if x is rational
-1 if x is irrational
Answers
Answered by
1
you make me a brain list and I will send you the answer
Similar questions
Science,
3 months ago
Math,
3 months ago
Social Sciences,
7 months ago
Math,
10 months ago
Chemistry,
10 months ago