I need example of a linear function as an equation

Which statements regarding the diagram are true? check all that apply.

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

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.