Find All Critical Numbers for the Function $f ( x ) = \left| x ^ { 2 } - 9 \right|$

question 155

Multiple Choice

Find all critical numbers for the function $f ( x ) = \left| x ^ { 2 } - 9 \right|$ .

• A)0
• B)-3
• C)0, -3
• D)No Critical Number
• E)3
• F)3, -3
• G)0, 3, -3
• H)None of the above

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Definitions:

Incidence

Refers to the impact or burden of a tax, how it is distributed among various participants in the market.

Price Elasticity of Supply

A measure of how much the quantity supplied of a good responds to a change in the price of that good, quantitatively defined as the percentage change in quantity supplied divided by the percentage change in price.

Incidence

The allocation or impact of a tax or policy on the economic activities or welfare of different groups in society.

Elastic

Describes a situation in which the quantity demanded or supplied of a good or service is highly responsive to changes in price.