Free GRE Practice Question

Question 1 of 1
ID: GRE-SM-6
Section: Quantitative Reasoning - Multiple Choice with one or more answer
Topics: Algebra; Functions
Difficulty level: Easy

Practice Mode: Single selected Question » Back to Overview

If $f(x)$ is a function such that $f(x)+f(-x)=4$, which of the following could be the expression for $f(x)$?

Indicate all such expressions.

[ Note: Select one or more answer choices ]

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