Question

Question #667c9

Answer 1

See below.

Explanation:

`(9-x^2)^(3/2)=sqrt((9-x^2)^3)`

`sqrt((9-x^2)^3)=0`

Square both sides:

`(9-x^2)^3=0`

Take cubic root:

`9-x^2=0=>x=3 and x=-3`

Graph: