Find the domain of the function $f ( x ) = \frac { 9 } { x - 8 }$ .
A)Domain: all real numbers x except x = 8
B)Domain: all real numbers x except x = 9
C)Domain: all real numbers x except x = -9
D)Domain: all real numbers x
E)Domain: all real numbers x except x = -8

Question

Find the domain of the function $f ( x ) = \frac { 9 } { x - 8 }$ .  
A)Domain: all real numbers x except x = 8
B)Domain: all real numbers x except x = 9
C)Domain: all real numbers x except x = -9
D)Domain: all real numbers x
E)Domain: all real numbers x except x = -8

Quizplus · Accepted Answer

The function $f(x) = \frac{9}{x-8}$ is undefined when the denominator is zero, which occurs at $x = 8$. Therefore, the domain includes all real numbers except $x = 8$.

Find the Domain of the Function f(x)=9x−8f ( x ) = \frac { 9 } { x - 8 }f(x)=x−89​

Find the Domain of the Function $f ( x ) = \frac { 9 } { x - 8 }$