Arectangular room is three times as long as it is wide and it's perimeter is 64 meters. find the width of the room

Which function is represented by the graph

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.

In a column proof the right column states your reasons