-2 for which: 3^[g(x)*logbase3 f(x)]=f(x). Let $$g: A \to B$$ and $$f: B \to C$$ be surjective functions. The function resulting when some argument xi of the function f is replaced by the function g is called a composition of f and g in some computer engineering contexts, and is denoted f |xi = g If f(x) = x 2 – 4x + 2 and g(x) = 3x – 7, find: Complete Solution. Function composition is only one way to combine existing functions. Composition of functions. Practice: Find composite functions. Evaluating composite functions: using graphs. Composing Functions with Functions (page 3 of 6) Sections: Composing functions that are sets of point, Composing functions at points, Composing functions with other functions, Word problems using composition, Inverse functions and composition Functions. The step involved is similar when a function is being evaluated for … Composition of Function Read More » First, g is evaluated where x = − 1 and then the result is squared using the second function, f. 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Composition of functions. Practice: Find composite functions. Evaluating composite functions: using graphs. Composing Functions with Functions (page 3 of 6) Sections: Composing functions that are sets of point, Composing functions at points, Composing functions with other functions, Word problems using composition, Inverse functions and composition Functions. The step involved is similar when a function is being evaluated for … Composition of Function Read More » First, g is evaluated where x = − 1 and then the result is squared using the second function, f. Find the composition of a piecewise function. 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