Evaluate and simplify $f ( x ) = \frac { x } { x + 2 }$ at x=4 .
A) $f ( 4 ) = - \frac { 2 } { 3 }$
B) $f ( 4 ) = \frac { 1 } { 3 }$
C) $f ( 4 ) = \frac { 2 } { 3 }$
D) $f ( 4 ) = \frac { 3 } { 2 }$
E) $f ( 4 ) = - \frac { 3 } { 2 }$

Question

Quizplus · Accepted Answer

Substituting x=4 into the function $f(x) = \frac{x}{x+2}$ gives $f(4) = \frac{4}{4+2} = \frac{4}{6} = \frac{2}{3}$.

Evaluate and Simplify f(x)=xx+2f ( x ) = \frac { x } { x + 2 }f(x)=x+2x​

Evaluate and Simplify $f ( x ) = \frac { x } { x + 2 }$