Atriangle is 20in tall and 5 in wide. if it is reduced to a width of 1 in then how tall will it be?

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.