What inputs are defined for the expression? $$\frac { x } { 3 x - 7 }$$
A) $ R , x \neq - \frac { 7 } { 3 }$
B) $ \mathrm { R } , x \neq - \frac { 3 } { 7 }$
C) $R , x \neq \frac { 3 } { 7 }$
D) $R , x \neq \frac { 7 } { 3 }$
E) $ R , x \neq 0$

Question

What inputs are defined for the expression? $$\frac { x } { 3 x - 7 }$$
A) $ R , x \neq - \frac { 7 } { 3 }$
B) $  \mathrm { R } , x \neq - \frac { 3 } { 7 }$
C) $R , x \neq \frac { 3 } { 7 }$
D) $R , x \neq \frac { 7 } { 3 }$
E) $ R , x \neq 0$

Quizplus · Accepted Answer

The denominator of the expression is 3x-7 which cannot be equal to 0. Therefore, the input value x cannot be equal to 7/3. The correct answer is D.

What Inputs Are Defined for the Expression x3x−7\frac { x } { 3 x - 7 }3x−7x​

What Inputs Are Defined for the Expression $\frac { x } { 3 x - 7 }$