If fx and gx
- if fx x and gx
- if fx ex and gx log x
- if both fx and gx are differentiable
- if fx and gx are two differentiable functions
- if fx and gx
- if fx and gx are functions such that fx y
- if fx and gx are continuous functions then
- if fx and gx are two functions with gxu003dx-1/x
- if fx and gx are functions such that f(x+y)
- if fx and gx are two polynomials
