Let 
be an invertible function. Find f-1.
To find: f-1
Given: 
We have,
Let f(x) = y such that 
⇒ 4y = 2x – 7
⇒ 4y + 7 = 2x
1
Let be an invertible function. Find f-1.
To find: f-1
Given:
We have,
Let f(x) = y such that
⇒ 4y = 2x – 7
⇒ 4y + 7 = 2x