Mathematics

Problem

For the expression

y(x)=\ln|x-4|

, which statement describes the set of all real numbers

x

for which

y

is defined? a)

y

is defined for every real

x

. b)

y

is defined only for

x<4

. c)

y

is defined for all

x\neq 4

. d)

y

is defined only for

x>4