Find the limit (if it exists). (If an answer does not exist, enter DNE.) lim
x→3
f(x),
where
f(x) =

x2 + 5, x ≠ 3
3, x = 3

(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.