Solve the Problem $C = 0.057 x ^ { 2 } + 0.67 x + 4.6$

question 177

Multiple Choice

Solve the problem.
-The formula $C = 0.057 x ^ { 2 } + 0.67 x + 4.6$ can be used to approximate the number, $C$ , (in millions) of laptops sold over a ten-year period, where $x$ is the number of years since the first year this information was recorded. According to this formula, how many laptops were sold in year 10 ? Round the answer to the nearest tenth of a million.

• A) 17 million
• B) 11.9 million
• C) 4.6 million
• D) 15.2 million

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Definitions:

Alertness

The state of being vigilant and aware, ready to respond to any changes or stimuli in the environment.

Social Desire

The inherent wish to form connections, be accepted, and have interactions with others in society.

Nucleus Accumbens

A brain structure involved in the circuitry of reward, pleasure, and addiction.

Dopamine Receptors

Proteins located on the surface of nerve cells that bind to dopamine and trigger a cellular response.