mscroggs.co.uk
mscroggs.co.uk

subscribe

# Puzzles

## Archive

Show me a random puzzle
▼ show ▼

Source: Luciano Rila (@DrTrapezio)
$$p(x)$$ is a quadratic polynomial with real coefficients. For all real numbers $$x$$,
$$x^2-2x+2\leq p(x)\leq 2x^2-4x+3$$
$$p(11)=181$$. Find $$p(16)$$.
If you enjoyed this puzzle, check out Sunday Afternoon Maths L,
puzzles about graphs, or a random puzzle.