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November 22, 2009
About the CPT
Ability to Benefit Policy
Sample CPT Questions
Reading Comprehension
Sentence Skills
About the ESL Test
7. If f(x) = x4 – x + 2, then f(–x) =
a.) x4 – x
b.) x4 – x + 2
c.) x4 + x + 2
d.) x4 + x – 2
e.) x4 + x
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