Matematika 12

Greg Attwood, Jack Barraclough, Ian Bettison, Alistair Macpherson, Bronwen Moran, Su Nicholson, Diane Oliver, Joe Petran, Keith Bledger, Harry Smith, Geoff Staley, Robert Ward-Penny dhe Dave Wilkins

Pyetja

A={x:3x+5>2}A=\{x:3x+5>2\}, B={x:x2+13}B=\{x: \dfrac{x}{2} + 1 \le 3 \}, C={x:11<2x1}C=\{x:11<2x-1\}

Jepet që A(BC)={x:p<xq}{x:x>r}A \cap (B \cup C) = \{ x:p<x\le q \} \cup \{ x: x >r \}, gjej vlerat e pp, qq dhe rr.