(1b) Using the equation, evaluate the function. Find f (0) - f(-4) f(x)
3x - 4 if x <-6
-*-1 if-6x<-1
4 if x 2-1

(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.