Composite functions close composite function Where the output of one function is used as the input of another for two functions. 𝑔𝑓(𝑥) is a composite function where the output of 𝑓 ...

A function, 𝑓(𝑥), is a type of formula close formula (formulae) A mathematical rule that links variables, by substituting the values that can be changed with words or letters, eg 𝑎² ...