Solve the following system of equations by graphing. y = –½x – 1

y = ¼x – 4

A)

(–4,3)

B)

(–3,4)

C)

(4,–3)

D)

(3,4)

Ahmed plans to add a rectangular sunroom to his house. the sunroom will have a length of 14 feet and a width of 10 feet, and the construction will cost $40 per square foot. how much more would the sunroom cost if it’s width were increased to 12 feet?