The system of equations why equals 1/4X minus one and why equals -1/2 X -1/4 is shown on the graph below

Question and answers are in the attached picture. you so much in advance.

Find the cosine function that is represented in the graph.

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.