Examine the graph of f(x) at right. a. describe the domain and range.
b. Is the graph a function? How can you tell?
c. Name the coordinates of any special points. What are these points? (Interceptes? Roots? Etc.)
d. Evaluate f(2)

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.