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# Domain of a Function: $x$ in the Denominator

ACTMAT-XJLFNE

What is the domain of the function:

$$f(x) = \frac { x-3 }{ { x }^{ 2 }-4x-12 }$$

A

$\{ x: x\neq 3\}$

B

$\{ x: x\neq -2,3,6\}$

C

$\{ x: x\neq -6,2,3\}$

D

$\{ x: x\neq -6,2\}$

E

$\{ x: x\neq -2,6\}$