Composite Function (Comparison Method) Example 1 March 2, 2018January 3, 2014 by Example 1Given $f:x\mapsto hx+k,g:x\mapsto {(x+1)}^{2}+4$ and $fg:x\mapsto 2{(x+1)}^{2}+5.$ Find (a) the value of ${g}^{2}(2)$ , (b) the value of h and of k.