Let g be a function g:AB and let f:BC. The composition of the functions f and g is denoted fg and is defined
(fg)(a) = f(g(a))
B and let f:BC. The composition of the functions f and g is denoted f
g and is definedB and let f:BC. The composition of the functions f and g is denoted fg and is definedg)(a) = f(g(a))