Solve. Use Interval Notation to Express the Range

question 88

Multiple Choice

Solve. Use interval notation to express the range.
-The formula C = 0.5x + 18 represents the estimated future cost of yearly attendance at State University, where C is the cost in thousands of dollars x years after 2010. Use a compound inequality to determine in which years attendance costs will range from 22 to 24 thousand dollars.

• A) [2017, 2021]
• B) [2018, 2022]
• C) [2019, 2023]
• D) [2019, 2021]

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