Solve
-The Function $f ( x ) = 0.054 x ^ { 2 } + 0.66 x + 4.5$

question 93

Multiple Choice

Solve.
-The function $f ( x ) = 0.054 x ^ { 2 } + 0.66 x + 4.5$ can be used to approximate the number of computers sold during the years $1990 - 2000$ , where $x$ is the number of years after 1990 and $f ( x )$ is the number of computers sold (in millions) . Approximate the number of computers sold in 1998. Round your answer to the nearest tenth of a million.

• A) \(11.8\) million
• B) \(13.2\) million
• C) \(4.5\) million
• D) \(10.2\) million

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Definitions:

Competitive Molecules

Molecules that compete with each other for binding sites on enzymes or receptors in biological systems.

Sodium-Potassium Pump

A cell membrane protein that uses ATP to move sodium ions out of the cell and potassium ions into the cell, essential for cellular function.

Plasma Membrane

The phospholipid bilayer that surrounds cells, controlling the movement of substances in and out of the cell, thereby maintaining its internal environment.

Actively Transports

The process of transporting materials through cellular barriers against the direction of concentration differences, necessitating the use of energy.