Which one of the following statements correctly describes the restriction on the…

MATHEMATICS · Single correct · AP · AP Precalculus · Polynomial and Rational Functions · Polynomial and Rational Functions

Problem

Which one of the following statements correctly describes the restriction on the domain of

g(x)=\dfrac{1}{x+4}

? (a)

x=4

is excluded because the denominator becomes zero. (b) All negative real numbers are excluded because the denominator would be negative. (c)

x=-4

is excluded because the denominator becomes zero. (d)

x=0

is excluded because division by zero is undefined.