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Moderate

Algebra of Functions

GRE-SGZNJJ

Compare Quantity A and Quantity B.

Quantity A: Given the following graph of $f(x)$:

the value of $2f(x)$ when $x=-1$.

Quantity B: Given the following graph of $g(x)$:

the value of $g(2x)$ when $x=-1$.

Which of the following statements is true?

A

Quantity A is greater.

B

Quantity B is greater.

C

The two quantities are equal.

D

The relationship cannot be determined from the information given.