Tell whether the slope of a line that models the linear relationship is positive, negative, zero, or undefined. a babysitter earns $9 for 1 hr and $36 for 4 hr.

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.