Problem 123 of 7
Choose the interval notation matching the average-rate statement between years 3 and 9.
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align stated interval with endpoint inputs.
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Statement must identify interval endpoints and inclusion where relevant.
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Solution
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1. Identify the starting and ending input values.
2. Use brackets when endpoints are included and parentheses when excluded.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Endpoint order reversal.