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ACT® Math

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Shifting a Function

ACTMAT-GNYFNJ

If $f(x) = { x }^{ 2 }-4 $, then which of the following is $f(x+3)$?

A

$ { x }^{ 2 }-1 $

B

$ { x }^{ 2 }-7 $

C

$ { x }^{ 2 }+14 $

D

$ { x }^{ 2 }-6x+5 $

E

$ { x }^{ 2 }+6x+5 $