Let f : R → R be defind by f(= ∀ x ∈ R. Then f is
A. one-one
B. onto
C. bijective
D. f is not defined
Answer:D
Let f : R → R be defind by f(= ∀ x ∈ R. Then f is
A. one-one B. onto C. bijective D. f is not defined