Choose the One Alternative That Best Completes the Statement or Answers

question 87

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
Solve the problem.
-An explosion causes debris to rise vertically with an initial velocity of 112 feet per second. The function $s ( t ) = - 16 t ^ { 2 } + 112 t$ describes the height of the debris above the ground, $s ( t )$ , in feet, $t$ seconds after the explosion. What is the instantaneous speed of the debris when it hits the ground?

• A) 224
• B) \(- 224\)
• C) \(- 112\)
• D) 112

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Definitions:

Initial Endowment

The initial allocation of income, wealth, or resources that an individual or firm possesses before entering into any economic transactions.

Taxes Rise

Taxes rise refers to the increase in the required contributions by individuals or corporations to government revenues.

Laspeyres Price Index

a measure of the change in the cost of purchasing a fixed basket of goods and services, relative to the cost of the same basket in a base period.

Demand Function

A mathematical expression showing the relationship between the quantity demanded of a good and its price, along with other determinants like income and prices of related goods.