Let f : [0, ∞) → [0, 2] be defined by , then f is
A. one-one but not onto
B. onto but not one-one
C. both one-one and onto
D. neither one-one nor onto
Answer:A
Let f : [0, ∞) → [0, 2] be defined by , then f is
A. one-one but not onto B. onto but not one-one C. both one-one and onto D. neither one-one nor onto