How do you find the inverse of 2x+73x1 and is it a function?

1 Answer
May 12, 2016

f1(x)=x+73x2

Explanation:

f(x)=y=2x+73x1

3xyy=2x+7

3xy2x=y+7

x(3y2)=y+7

x=y+73y2

change x and y vice versa

f1(x)=x+73x2

There isn't any value which it does undefined the denominator

it is a function