Surface area is the area of all the sides added up. If you were to unfold all the areas and make it flat (2-D), area is

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Volume would be cubed because it's 3-D
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F(x) plus or minus would shift up or down...
1/3 f(x) "shrinks everything down by 1/3
the first answer is the correct choice
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is there an image provided?
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Definition: The enclosing boundary of a curved geometric figure, especially a circle.
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