Question

Find the inverse function of y=9x

Answer 1

Replace

F

(

x

)

with

y

.

y

=

9

x

Interchange the variables.

x

=

9

y

Solve for

y

.

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y

=

x

9

Solve for

y

and replace with

F

−

1

(

x

)

.

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F

−

1

(

x

)

=

x

9

Explanation:

Answer 2

Answer is attached below.