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Functions

    Write a two to three page paper that is formatted in APA style and according to the Math Writing Guide. Format your math work as shown in the example and be concise in your reasoning. In the body of your essay, please make sure to include:

        Your solutions to the above problems, making sure to include all mathematical work for both problems, as well as explaining each step.

        A discussion of the applicability of functions to the real world, based upon your reading of Chapter 11 of Elementary and Intermediate Algebra.  Be sure to use specific examples, a brief discussion of why your examples are important, and to cite your sources.

The paper must be at least two pages in length and formatted according to APA style. Cite your resources in text and on the reference page. For information regarding APA samples and tutorials, visit the Ashford Writing Center, within the Learning Resources tab on the left navigation toolbar.

Composition of function is used when we want to link two formulas.

It makes working easy in real life and gives the result fast.

Example   http://www.purplemath.com/modules/fcncomp5.htm

·  You work forty hours a week at a furniture store. You receive a $220 weekly salary, plus a 3% commision on sales over $5000. Assume that you sell enough this week to get the commission. Given the functions f (x) = 0.03x and g(x) = x – 5000, which of ( f o g)(x) and (g o f )(x) represents your commission?