An Internet company chooses to advertise with banners on websites visited by a target customer group. The web advertiser offers two plans with the same final cost. The first plan offers 3,000 banner as for x dollars each plus a set-up fee of $50. The second plan offers 2,000 banner ads for x dollars each plus a set-up fee of $100. What is the cost per banner for each of the these plan? a $0.05 b $0.50 c $5.00 d 50.00​

The height of a birch tree, f(x), in inches, after x months is shown in the graph below. how much does the birch tree grow per month, and what will be the height of the birch tree after 10 months? a. the birch tree grows 1 inch per month. the height of the birch tree will be 16 inches after 10 months. b. the birch tree grows 2 inches per month. the height of the birch tree will be 26 inches after 10 months. c. the birch tree grows 3 inches per month. the height of the birch tree will be 36 inches after 10 months. d. the birch tree grows 2 inches per month. the height of the birch tree will be 24 inches after 10 months.