Karen earns a base salary of $2,000 a month. additionally, she earns 20% commission on all of her sales. which equation models her salary, s, for the month after d dollars of merchandise sold?

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.