Question

What is the inverse of the function f(x)=2x-10

Answer 1

(x+10)/2 or 1/2x +5

Explanation:

To find an inverse function

y= 2x-10

Exchange x and y

x = 2y-10

and solve for y

Add 10 to each side

x+10 = 2y-10+10

x+10 =2y

Divide by 2

(x+10)/2 = 2y/2

(x+10)/2 =y