MCQOPTIONS
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MCQOPTIONS
| 1. |
Define f(n) = n/2 + 1 ( 1)n/4 for all n 2 Z. Thus, f: Z Z, Z the set of all integers.Which is correct? |
| A. | f is a function and is onto but not one-to-one. |
| B. | f is a function and is onto and one-to- one. |
| C. | f is a function and is not onto but is one-to-one. |
| D. | f is a function and is not onto and not one-to-one |
| Answer» B. f is a function and is onto and one-to- one. | |