p = (y : 2y \(\geq\) 6) 2y \(\geq\) 6 y \(\geq \frac{6}{2}\) y = \(\geq\) 3 and Q = (y : y -3 \(\leq\) 4) y - 3 \(\leq\) 4 y \(\leq\) 4 + 3 y \(\leq\) 7 therefore p = {3, 4, 5, 6, 7} and Q = {7, 6, 5, 4, 3....} P\(\cap\)Q = {3, 4, 5, 6, 7}