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Let f : R → R be defined as f ( x ) = 3 x . Choose the correct answer. (A) f is one-one onto (B) f is many-one onto (C) f is one-one but not onto (D) f is neither one-one nor onto |
| Answer» Let f : R → R be defined as f ( x ) = 3 x . Choose the correct answer. (A) f is one-one onto (B) f is many-one onto (C) f is one-one but not onto (D) f is neither one-one nor onto | |