A Coin Is Tossed Upward from a Balcony 200 Feet $h ( t ) = - 16 t ^ { 2 } + 48 t + 200$

question 198

Multiple Choice

A coin is tossed upward from a balcony 200 feet high with an initial velocity of 48 feet per second, then its height after t seconds is given by the equation $h ( t ) = - 16 t ^ { 2 } + 48 t + 200$
During what interval of time will the coin be at a height of at least 40 ft?

• A) \(0 \leq t \leq 5\)
• B) \(4 \leq t \leq 5\)
• C) \(0 \leq t \leq 1\)
• D) \(5 \leq t \leq 10\)

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Definitions:

Price Fall

A reduction in the market price of a good or service, which can influence consumer behavior and economic conditions.

Demand Function

A mathematical expression that shows the relationship between the quantity demanded of a good and its price, holding other factors constant.

Elasticity

A measure of how much the quantity demanded or supplied of a good responds to a change in price or other economic variables.

Elasticity of Demand

Quantifies the change in demand for a commodity in response to its price movements.