1.1. The function $f$ is defined by

$f(x)=(x-3{)}^{2}(x-4{)}^{2}2\leqx\leq5$

Find the range of $f$.

You must show your working clearly.

1.2. The domain of $f$ is changed to $x\leq2$

Find the range of $f$.

1.3. Find a different domain of $f$ that has the same range as in part (b).