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Evaluating Functions

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Make sure to superscript all exponents. All exponents in final answers should be positive. Final answers should have all single connecting signs and be arranged in descending order.

For f(x) = 2x - 1, find f(-9).

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Solution Summary

A function is evaluated. The solution is detailed and well presented.

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I always find it easier to imagine functions as big "food"processors, only instead"of food they process numbers.
On one side you put im the ingredients and then activate the "food ...

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