Find the Range of the Function $f ( x ) = 2 x ^ { 2 } - 3$

question 40

Multiple Choice

Find the range of the function. $f ( x ) = 2 x ^ { 2 } - 3$

• A) \([ 0 , \infty )\)
• B) \((-\infty, \infty)\)
• C) \(( - 3 / 2 , \infty )\)
• D) \(( - \infty , - 3 ) \cup ( 3 , \infty )\)
• E) \([ - 3 , \infty )\)

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Definitions:

Man-Made

Something made or constructed by human beings rather than occurring naturally in the environment.

Permanent Magnets

Materials that maintain a persistent magnetic field without the need for continuous energy input.

Natural Magnets

Materials found in nature that possess magnetic properties capable of attracting iron, such as magnetite or lodestone.

Magnetic Poles

The two ends of a magnet where the magnetic field is strongest, conventionally labeled as the North and South poles.