Question

WHICH VALUE OF X MAKES THE EXPRESSION X+4/X-3 UNDEFINED?

A) -4
B) -3
C) 4
D) 0

Answer 1

none of those, actually. It is undefined when the denominator is zero. and so,
x-3=0
implies that x=3
P.S. I'm assuming it's supposed to read as
\[\frac{x+4}{x-3}\]