Question

if f(x) is x^2-3 then inverse of f =​

Answer 1

Answer:

Let y=f(x)=2x−3

y=2x−3

x=

2

y+3

y=f(x)

x=f

−1

(y)

f

−1

(y)=

2

y+3

Replace y by x.

f

−1

(x)=

2

x+3