What are the domain and range of the function?

Which rational number could be graphed between -4 and -5

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

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.