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Section 8.1 – Composite Functions. Let and be functions. The composition of f and g is . This is read “f composed with g of x is equal to f of g of x.” The composition of g and f is .
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Section 8.1 – Composite Functions Let and be functions. The composition of f and g is . This is read “f composed with g of x is equal to f of g of x.” The composition of g and f is . This is read “g composed with f of x is equal to f of g of x.” In a composition, one function is substituted into another.