Question

What is the inverse of f(x) = 4x + 2?

Answer 1

Answer:

Replace  

f

(

x

)

with  

y

.

y

=

4

x

2

Interchange the variables.

x

=

4

y

2

Solve for  

y

.y

=

√

x

2

 

y

=

−

√

x

2

Solve for  

y

and replace with  

f

−

1

(

x

)

.

f

−

1

(

x

)

=

√

x

2

,

−

√

x

2

Step-by-step explanation:

hope this helps