## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

If $h(x)=x^2+1$, then the decomposition can be: $h=(f\circ g)(x)$, where $f(x)=x+1$ and $g(x)=x^2$ But also: $f(x)=\sqrt x+1$ and $g(x)=x^4$