Which is the best definition of the radius of a circle? a. the distance around the outside of the circle b. the distance across the middle of the circle c. the point at the center of the circle d. the distance from the center to any point on the circle

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

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.

How many and of which kind of roots does the equation f(x)=x3−x2−x+1