Specify the domain for the function. $f ( x ) = \frac { 8 } { x - 7 }$
A) $D = ( - \infty , 7 )$
B) $D = ( - \infty , \infty )$
C) $D = ( 7 , \infty )$
D) $D = ( - \infty , 7 ) \cup ( 7 , \infty )$

Question

Quizplus · Accepted Answer

The denominator cannot be equal to 7, so we exclude that value from the domain. Therefore, the domain is all reals except for 7, which is represented by choice D.

Specify the Domain for the Function f(x)=8x−7f ( x ) = \frac { 8 } { x - 7 }f(x)=x−78​

Specify the Domain for the Function $f ( x ) = \frac { 8 } { x - 7 }$