Which is true of the standard form of the equation of the line graphed? the value of a can be –1 if the value of c is 3 and the value of b is 0. the value of a can only be 1, the value of c can only be –3, and the value of b is 0. the standard form of the equation can be shown as 3x = –9. the standard form of the equation can only be x + 3 = 0

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.