Please answer just the top question

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

What is the upper quartile in the box plot?

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.