Evaluate the function.
-If $r ( x ) = \frac { 3 } { x - 4 }$, find $r ( a + 5 )$
A) $- \frac { 3 } { 4 } a - \frac { 15 } { 4 }$
B) $\frac { 3 } { a - 4 } + 3$
C) $\frac { 8 } { a - 4 }$
D) $\frac { 3 } { a + 1 }$

Question

Quizplus · Accepted Answer

To find $r(a + 5)$, substitute $x = a + 5$ into the given function: $r(a + 5) = \frac{3}{(a + 5) - 4} = \frac{3}{a + 1}$.

Evaluate the Function r(x)=3x−4r ( x ) = \frac { 3 } { x - 4 }r(x)=x−43​

Evaluate the Function $r ( x ) = \frac { 3 } { x - 4 }$