Find the inverse of the one-to-one function.
$y = 7 x + 5$
A) $y = \frac { x - 7 } { 5 }$
B) $y = \frac { x - 5 } { 7 }$
C) $y = \frac { 7 } { x - 5 }$
D) $y = \frac { x + 5 } { 7 }$
E)none of the above

Question

Find the inverse of the one-to-one function. 
 $y = 7 x + 5$  
A) $y = \frac { x - 7 } { 5 }$
B) $y = \frac { x - 5 } { 7 }$
C) $y = \frac { 7 } { x - 5 }$
D) $y = \frac { x + 5 } { 7 }$
E)none of the above

Quizplus · Accepted Answer

To find the inverse, swap $x$ and $y$ and solve for $y$. So, $x = 7y + 5$ becomes $y = \frac{x - 5}{7}$.

Find the Inverse of the One-To-One Function y=7x+5y = 7 x + 5y=7x+5

Find the Inverse of the One-To-One Function $y = 7 x + 5$