Composite Function (Comparison Method) Example 2 March 2, 2018January 3, 2014 by Example 2Given $f:x\mapsto 1-x$ and $g:x\mapsto p{x}^{2}+q$ . If the composite function gf is defined by $gf:x\mapsto 3{x}^{2}-6x+5$ , find (a) the value of p and of q, (b) the value of ${g}^{2}(-1)$ .