Question

Consider the following function.

Place the steps for finding f -1(x) in the correct order.










↓

↓

↓

↓

Answer 1

if f(x) = ax + b then f-1(x) = (x - b)/a

Explanation:

Now

f(x)=ax + b

then y = ax + b

interchanging x and y , we get

or, x = ay + b

or, x - b = ay

or, (x - b)/a = y

therefore,f-1(x) = (x - b)/a