Ihave to solve for -3< 3x< 9. how do i solve

This is about circle theorems. someone asap : (

For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.

What is the solution for 6 - 7/8? explain the steps.