$$\text { Find the value of } \mathrm { df } ^ { - 1 } / \mathrm { dx } \text { at } x = f ( a ) \text {. }$$
-$$f ( x ) = x ^ { 2 } - 2 x + 8 ; a = 5$$
A) $\frac { 1 } { 10 }$
B) 8
C) $\frac { 1 } { 12 }$
D) $\frac { 1 } { 8 }$

Question

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The Answer of $$\text { Find the value of } \mathrm { df } ^ { - 1 } / \mathrm { dx } \text { at } x = f ( a ) \text {. }$$
-$$f ( x ) = x ^ { 2 } - 2 x + 8 ; a = 5$$
A) $\frac { 1 } { 10 }$
B) 8
C) $\frac { 1 } { 12 }$
D) $\frac { 1 } { 8 }$

Find the value of df−1/dx at x=f(a). \text { Find the value of } \mathrm { df } ^ { - 1 } / \mathrm { dx } \text { at } x = f ( a ) \text {. } Find the value of df−1/dx at x=f(a).

$\text { Find the value of } \mathrm { df } ^ { - 1 } / \mathrm { dx } \text { at } x = f ( a ) \text {. }$