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Determine if an equation deterimines a function

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1. Determine whether the equation defines a function with independent variable x. If it does, find the domain. If it does not, find a value of x to which there corresponds more than one value of y.
x|y| = x + 9

2. Use the graph of the function to estimate: (See attached)
a. f(2)
b. f(-4)
c. All x such that f(x) = 0

(There are a half dozen more algebra problems in the attachment.)

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Solution Summary

The solution answers eight first-year college algebra questions with extra detail given on one covering compound interest and where else necessary in a Word document and supplemental PDF.

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Student,

Your answers are in the attached files. Read the DOC file first, it refers to the PDF

1. Yes, we can find a value of x to which there corresponds more than one value ...

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