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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

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