TMUA-P2-ARG3-010 — Paper P2 · Quantifiers · Level 2

Options

1. A
   $n=1$ gives $43$, which is prime.
2. B
   $n=41$ gives $41^2+41+41 = 41 \times 43$, which is composite.
3. C
   $n=0$ gives $41$, which is prime.
4. D
   The expression is odd for every integer $n$.

Letters only — the answer key is hidden. Work it out, then check the solution below.

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