A Ball Is Tossed Upward and Then Falls to the Ground.Its

question 1

Multiple Choice

A ball is tossed upward and then falls to the ground.Its height after t seconds is given by the function .At the time the rock reaches its peak, what can be said about ? ​

• A) is positive.
• B) is negative.
• C) is zero.
• D) None of the above

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Definitions:

Exports

Goods or services sold by a country to buyers in other countries.

Quotas

Limits set by governments on the quantity of a certain good that can be imported or exported during a specified time frame.

Tariff Revenues

Income that governments earn from imposing taxes on the import and export of goods.

Export Subsidy

An export subsidy is a government policy to encourage export of goods and discourage sale within the domestic market, by providing financial assistance or tax relief.