MCQOPTIONS
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| 1. |
The function f : [0, 3] → [1, 29] defined by f(x) = 2x3 – 15x2 + 36x + 1 where x is an integer is |
| A. | injective and surjective |
| B. | surjective but not injective |
| C. | injective but not surjective |
| D. | neither injective nor surjective |
| Answer» C. injective but not surjective | |