Question

Which function is the inverse of 2) = 2x + 32
(x) = –2x+3
() = 2x+3

Answer 1

Explanation:

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