5 4
3
2
100
4
1 2 3
5 6 7 8
5 4 3 2 1
2
4
5
6. Which greatest integer function matches the graph?
A. f(x) = 1)
1(x) = -x + 1
C. 1x) = (x + 1
D. (X) = [X]

(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.