Given the Set Sketched on the Number Line, Identify the Type

question 255

Multiple Choice

Given the set sketched on the number line, identify the type of interval (open, closed, half-open, open infinite, closed infinite) , write the set using set-builder notation, and write the set using interval notation.
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• A) closed infinite interval; \(\{ x \mid x \geq - 9 \} ; [ - 9 , \infty )\)
• B) open infinite interval; \(\{ x \mid x < - 9 \} ; ( - \infty , - 9 )\)
• C) open infinite interval; \(\{ x \mid x > - 9 \} ; ( - 9 , \infty )\)
• D) closed infinite interval; \(\{ \mathrm { x } \mid \mathrm { x } \leq - 9 \} ; ( - \infty , - 9 ]\)

Understand how wealth is created or destroyed through various economic actions and policies.

Analyze the effects of government intervention in the market, including taxation, price controls, and subsidies.

Evaluate the consequences of trade restrictions and outsourcing on economic wealth.

Identify the role of price mechanisms (ceilings and floors) in the economy.

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