Question

Find the inverse of the function. f(x)=3 root x/9 -4

Answer 1

Step-by-step explanation:

Explanation:

y

=

√

x

+

1

+

3

x

=

√

y

+

1

+

3

x

−

3

=

√

y

+

1

(

x

−

3

)

2

=

(

√

y

+

1

)

2

x

2

−

6

x

+

9

=

y

+

1

x

2

−

6

x

+

8

=

y

This is a quadratic, therefore it is a function.

Hopefully this helps!