A Level H2 Math, Functions, JC 1, JC 2 Finding the Range of a Composite Function I Posted on 24th September 201724th September 2017 by TimGan Two functions f and g are defined as follows: Determine, with reasons, whether fg and gf exist. If the composite function exists, give the rule, domain and range in exact form. TimGan Binomial Theorem: Finding the unknown Coefficient and Power MJC/2013/P1/Q6 Functions