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Calculating Investment Amounts and Finding Real Solutions

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Please look at the attachment. It includes two pre-calculus questions. Please show your work and explain the answer in the response.

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

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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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