Which direction does the graph of f(x) = 9 − 3x2 + 1 open? up down right left which direction does the graph of f(x) = (3x + 2)(1 − x) open? up right down left

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.