F(x)
which is a valid prediction about the continuous
f(x)?
o f(x) = 0 over the interval
of(x) < 0 over the interval (-
o f(x) > 0 over the interval (-6, 1).
of(x) < 0 over the interval (-0.–1).
cher
mark this and return
save and exit

(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.