4) Jordan has saved $15. He doubles the amount he saves each week. (a) Is there a constant difference or common ratio? If so, what is the difference/ratio?
(B) write a function for this scenario

Aline is perpendicular to another line m2= (-1/m1), where m1 is the slope of the original line and m2 is the slope of the perpendicular line. which of the following equations represents the line that passes through the point (-2,1) and is perpendicular to the line below?