A company that makes hair-care products had 6000 people try a new shampoo. Of the 6000 people, 24 had a mild allergic reaction. What percent of the people had a mild allergic reaction?

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.