1. Your friend conducted a study on the number of calories in bottles of sports drinks. He went to his
kitchen and recorded the calories of the sports drinks
in the refrigerator. What kind of sampling was
conducted?

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.