(10 points!) The function below has an input, x, and produces a specific output, c. (Pictured below.)

Choose the more precise measurement. 26.4 cm or 8.39 cm

(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.

Arational number that is equivalent to -20/4?