What is the range of the function y = |x |?

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What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)

(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.