The functions f(x) and g(x) are graphed in the xy coordinate plane, as shown above. Which option best describes regionR?

GRE Quant Problem Solving
1

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The answer key possibly exchanges f(x) and g(x), for it mentions R is above f(x)
and under g(x). The answer provided is option C.

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2

The wording is a bit awkward. We meant “Region R is above the vertex of f(x)”.