Question

Helpp plz: use inverse operations to write the inverse of f(x)= x/2 - 1

Answer 1

f-1 (x) = 2x + 2

Explanation:

f(x) = x/2 -1

y = x/2 -1

interchanging the position of x and y

x= (y-2)/2

2x =y - 2

y = 2x + 2

f^-1 (x) = 2x + 2