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# Calculating Investment Amounts and Finding Real Solutions

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28) If \$3,000 is invested at an interest rate of 9% per year, find the amount of the investment at the end of 5 years, for the following compounding methods: semiannual, weekly, hourly, continuously.

4) Find all real solutions of the expression: 2x^2 + 4x + 1

##### Solution Summary

This solution shows how to solve two pre-calculus questions: the first one shows how to find the value of an investment after five years using various compounding methods and how to find the real solutions of an algebraic expression.

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Understanding of how geometry applies to in real-world contexts

Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.

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