Determine whether the function has an inverse function.If it does, find the inverse function.
$f ( x ) = \sqrt { 7 x + 8 }$
A) $f ^ { - 1 } ( x ) = - \frac { x ^ { 2 } + 8 } { 7 }$
B) $f ^ { - 1 } ( x ) = - \frac { x ^ { 2 } - 8 } { 7 }$
C) $f ^ { - 1 } ( x ) = \frac { x ^ { 2 } - 8 } { 7 }$
D) $f ^ { - 1 } ( x ) = \frac { x ^ { 2 } + 8 } { 7 }$
E)No Inverse

Question

Determine whether the function has an inverse function.If it does, find the inverse function. 
 $f ( x ) = \sqrt { 7 x + 8 }$  
A) $f ^ { - 1 } ( x ) = - \frac { x ^ { 2 } + 8 } { 7 }$
B) $f ^ { - 1 } ( x ) = - \frac { x ^ { 2 } - 8 } { 7 }$
C) $f ^ { - 1 } ( x ) = \frac { x ^ { 2 } - 8 } { 7 }$
D) $f ^ { - 1 } ( x ) = \frac { x ^ { 2 } + 8 } { 7 }$
E)No Inverse

Quizplus · Accepted Answer

The Answer of Determine whether the function has an inverse function.If it does, find the inverse function. 
 $f ( x ) = \sqrt { 7 x + 8 }$  
A) $f ^ { - 1 } ( x ) = - \frac { x ^ { 2 } + 8 } { 7 }$
B) $f ^ { - 1 } ( x ) = - \frac { x ^ { 2 } - 8 } { 7 }$
C) $f ^ { - 1 } ( x ) = \frac { x ^ { 2 } - 8 } { 7 }$
D) $f ^ { - 1 } ( x ) = \frac { x ^ { 2 } + 8 } { 7 }$
E)No Inverse

Determine Whether the Function Has an Inverse Function f(x)=7x+8f ( x ) = \sqrt { 7 x + 8 }f(x)=7x+8​

Determine Whether the Function Has an Inverse Function $f ( x ) = \sqrt { 7 x + 8 }$