Question

Given the functions w( x) =2x+1 and vw(x) =4x²+4x-5,find w¯¹(x) answer meeeee​

Answer 1

Answer:

Hello,

We don't need vw(x) !

$w^{-1}(x)=\dfrac{x-1}{2}$

Step-by-step explanation:

$w(x)=2x+1=y\\\\2y+1=x \ exchanging \ x\ and\ y\\\\y=\dfrac{x-1}{2} \\\\w^{-1}(x)=\dfrac{x-1}{2}$