# Investments and Interval Notation

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1. Suppose $8,500 is invested in an account at an annual interest rate of 3.7% compunded continuosly.How long (to the nearest tenth of a year) will it take the investment to double in size?

2. Solve, and write the answer in interval notation x+5/x-7 ? 0

3. Solve: ?3x+10=-x

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The expert examines investments and interval notations.

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