Solve the Inequality $$- 2 < - 2 y + 19 < 10$$

question 70

Multiple Choice

Solve the inequality. Write the answer in interval notation. $$- 2 < - 2 y + 19 < 10$$

• A) \(\left[ \frac { 9 } { 2 } , \frac { 21 } { 2 } \right]\)
• B) \(\left( \frac { 9 } { 2 } , \frac { 21 } { 2 } \right)\)
• C) \(\left( \frac { 21 } { 2 } , 10 \right)\)
• D) \(\left( \frac { 21 } { 2 } , \frac { 9 } { 2 } \right)\)

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Definitions:

Simultaneous Equations

A set of equations containing multiple variables that are all solved together.

Cross-License

An agreement between two or more parties to grant mutual rights to their respective intellectual property.

Duopoly

Market in which two firms compete with each other.

Cournot Duopolists

Two firms in a market where each firm decides on its output level assuming the output of the other firm is fixed, leading to a stable competition equilibrium.