For each problem which number has the greater value?

9 or sqrt84

-5 or -sqrt23

Plz me plz i will give a brain just plz

Which graph represents the equation y =4x

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.