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Evaluating for and
To evaluate for the functions and , there are two methods. The first method evaluates the combined function by substituting , yielding . The second method evaluates and separately and adds the results. First, find . Next, find . Finally, add the two values: . Both methods produce the same result.
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Intermediate Algebra @ OpenStax
Ch.5 Polynomials and Polynomial Functions - Intermediate Algebra @ OpenStax
Algebra
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