Evaluate the function at the given value of the independent variable and simplify.
-$$f ( x ) = \frac { x ^ { 2 } - 7 } { x ^ { 3 } - 2 x } ; f ( 4 )$$
A) $\frac { 9 } { 56 }$
B) $\frac { 9 } { 64 }$
C) $\frac { 9 } { 62 }$
D) $\frac { 2 } { 7 }$

Question

Quizplus · Accepted Answer

To evaluate $f(4)$, substitute $x = 4$ into the function: $$f(4) = \frac{4^2 - 7}{4^3 - 2 \cdot 4} = \frac{16 - 7}{64 - 8} = \frac{9}{56}$$.

Evaluate the Function at the Given Value of the Independent f(x)=x2−7x3−2x;f(4)f ( x ) = \frac { x ^ { 2 } - 7 } { x ^ { 3 } - 2 x } ; f ( 4 )f(x)=x3−2xx2−7​;f(4)

Evaluate the Function at the Given Value of the Independent $f ( x ) = \frac { x ^ { 2 } - 7 } { x ^ { 3 } - 2 x } ; f ( 4 )$