Solve the Problem. -A Flare Is Fired from the Bottom of a Gorge

question 57

Multiple Choice

Solve the problem.
-A flare is fired from the bottom of a gorge with an initial velocity of 80 feet per second, and it is visible only when the flare is above the rim. The height of the flare, in feet, after t seconds is given
By the function h(t) = -16t2 + 80t. If the gorge is 96 feet deep, for what length of time can the flare
Be seen?

• A) 0 sec to 2 sec
• B) 4 sec to 5 sec
• C) 6 sec to 7 sec
• D) 2 sec to 3 sec

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Definitions:

RNA Viruses

Viruses that have RNA (ribonucleic acid) as their genetic material, capable of causing various diseases by infecting living cells.

Plasma Membrane

The semipermeable membrane surrounding the cytoplasm of a cell, involved in regulating the entry and exit of substances.

Capsid

The protein shell of a virus that encloses its genetic material, playing a key role in the infection of host cells.

Nucleic Acid Core

The essential component of a virus, comprising either DNA or RNA, that contains the genetic information necessary for replication.