Question

5) The range of the function f (x) = x/mod x, x is not equal to O is
a) R-{0}
b) R-{-1, 1} c) {-1, 1}
d) None of these​

Answer 1

Answer:

answer is c because if x>0 then f(x)= 1 and if x<0 then f(x)=-1